Editing 1966 (section)

==Events==
===January===
{{main|January 1966}}
* [[January 1]] – In a [[coup]], Colonel [[Jean-Bédel Bokassa]] takes over as military ruler of the [[Central African Republic]], ousting President [[David Dacko]].<ref>{{cite book |author=United States. Central Intelligence Agency |title=Daily Report, Foreign Radio Broadcasts |url=https://books.google.com/books?id=IjESQTqIWWkC&pg=PA1 |year=1966 |pages=1}}</ref>
* [[January 3]] – [[1966 Upper Voltan coup d'état]]: President [[Maurice Yaméogo]] is deposed by a military coup in the [[Republic of Upper Volta]] (modern-day Burkina Faso).<ref name="DarlingtonDarlington1968">{{cite book |author1=Charles F. Darlington |author2=Alice B. Darlington |title=African Betrayal |url=https://books.google.com/books?id=mGohAAAAMAAJ |year=1968 |publisher=D. McKay Company |page=178}}</ref>
* [[January 10]]
** [[Pakistan]]i–Indian peace negotiations end successfully with the signing of the [[Tashkent Declaration]], a day before the sudden death of Indian prime minister [[Lal Bahadur Shastri]].<ref>{{Cite news |url=https://www.rbth.com/arts/history/2016/01/12/at-tashkent-soviet-peace-over-india-and-pakistan_558665 |title=At Tashkent, Soviet peace over India and Pakistan |last=Bratersky |first=Alexander |date=12 January 2016 |access-date=24 July 2020 |language=en-US |website=Russia Beyond website}}</ref>
** [[Georgia House of Representatives|The House of Representatives of the US state of Georgia]] refuses to allow African-American representative [[Julian Bond]] to take his seat, because of his anti-war stance.<ref>{{cite book |first=Laughlin |last=McDonald |title=A Voting Rights Odyssey: Black Enfranchisement in Georgia |url=https://books.google.com/books?id=IseKjqX5Dj4C&pg=PA137 |date=27 March 2003 |publisher=Cambridge University Press |isbn=978-0-521-01179-2 |pages=137}}</ref>
* [[January 15]] – [[1966 Nigerian coup d'état]]: A bloody military coup is staged in [[Nigeria]], deposing the civilian government and resulting in the death of Prime Minister [[Abubakar Tafawa Balewa]].<ref>{{cite book |last1=Siollun |first1=Max |title=Oil, Politics and Violence: Nigeria's Military Coup Culture (1966–1976) |year=2009 |publisher=Algora Publishing |isbn=9780875867106 |page=237}}</ref>
* [[January 17]]
** The Nigerian coup is overturned by another faction of the military, led by Major General [[Johnson Aguiyi-Ironsi]], leaving a military government in power and beginning a long period of military rule.<ref>{{cite web |url=http://allafrica.com/stories/200807290251.html |title=Nigeria: The Forgotten Interim President |work=[[AllAfrica]] |via=[[Daily Trust]] |first=Abubakar |last=Ibrahim |date=29 July 2008 |publisher=AllAfrica Global Media |editor1-first=Esther |editor1-last=Rose |editor2-first=Emmanuel |editor2-last=Aziken |editor3-first=Amadou Mahtar |editor3-last=Ba |editor3-link=Amadou Mahtar Ba |publication-place=[[Lagos]], [[Nigeria]] |access-date=2010-02-28}}</ref>
** [[1966 Palomares B-52 crash]]: A U.S. Air Force [[B-52 Stratofortress|B-52]] bomber collides with a [[KC-135 Stratotanker]] over Spain, dropping three 70-[[kiloton]] [[hydrogen bomb]]s near the town of [[Palomares, Almería|Palomares]], and one into the sea. [[Carl Brashear]], the first African-American [[United States Navy]] diver, is involved in an accident during the recovery of the latter, which results in the amputation of his leg.
* [[January 19]] – [[Indira Gandhi]] is elected [[Prime Minister of India]]; she is sworn in on [[January 24]].
* [[January 20]] – [[1966 Liberal Party of Australia leadership election]]: [[Harold Holt]] is elected leader of the [[Liberal Party of Australia]] unopposed when [[Robert Menzies|Sir Robert Menzies]] retires after an unprecedented [[Menzies Government (1949-66)|16 years in office]]; consequently Holt becomes [[Prime Minister of Australia]] six days later.
* [[January 21]] – Italian Prime Minister [[Aldo Moro]] resigns due to a power struggle in his party.
* [[January 22]] – The military government of [[Nigeria]] announces that ex-prime minister [[Abubakar Tafawa Balewa]] was killed during the coup a week previously.
* [[January 24]] – [[Air India Flight 101]] crashes into [[Mont Blanc]], killing all 117 people on board, including [[Homi J. Bhabha]], chairman of the [[Indian Atomic Energy Commission]].
* [[January 26]] – [[Disappearance of the Beaumont children]]: Three children disappear on their way to [[Glenelg, South Australia]], never to be seen again. Their fate remains unknown.<ref>{{Cite news |last=Sutton |first=Candace |url=http://www.news.com.au/national/crime/parents-of-beaumont-childrens-tortured-wait-goes-on/news-story/fb533bc2a34d59bacea04713d1b03732 |title=Tortured wait continues for parents of Beaumont children |work=News.com.au |date=2 February 2018 |access-date=14 February 2018}}</ref>
* [[January 27]]
**The British government promises the U.S. that British troops in [[Malaysia]] will stay until more peaceful conditions occur in the region.
**Britain's [[Labour Party (UK)|Labour Party]] unexpectedly retains the parliamentary seat of [[Kingston upon Hull North (UK Parliament constituency)|Hull North]] in a [[1966 Kingston upon Hull North by-election|by-election]], with a swing of 4.5% to their candidate from the opposition Conservatives, and a majority up from 1,181 at the 1964 General Election to 5,351.<ref>{{cite journal |url=https://www.tandfonline.com/doi/full/10.1080/13619462.2018.1503958 |doi=10.1080/13619462.2018.1503958 |title=The campaign of the 'red-bearded radical': Richard Gott and the Hull North by-election, 1966 |date=2018 |last1=Roberts |first1=Sophie |journal=Contemporary British History |volume=32 |issue=3 |pages=336–358 |s2cid=149714126|url-access=subscription }}</ref>
* [[January 31]] – The United Kingdom ceases all trade with [[Rhodesia]].

===February===
{{main|February 1966}}
* [[February 1]] – Around 2,600 [[political prisoner]]s are released by [[East Germany]], in return for "donations" worth approximately $10,000 a head from [[West Germany]].<ref>{{cite book |title=U.S. News & World Report |url=https://books.google.com/books?id=47tVAAAAYAAJ |year=1966 |publisher=U.S. News Publishing Corporation |page=19}}</ref>
* [[February 3]] – The unmanned Soviet [[Luna 9]] spacecraft makes the first controlled rocket-assisted landing on the [[Moon]].
* [[February 4]] – [[All Nippon Airways Flight 60]] plunges into Tokyo Bay; 133 people are killed.
* [[February 7]]
** The [[1966 Iloilo City fire |Great Fire of Iloilo]], Philippines, breaks out in a lumber yard and burns for almost half a day, destroying nearly three-quarters of the [[Iloilo City Proper|City Proper]] area and causing 50 million pesos in total property damage.<ref>{{Cite journal |title=Heritage Community Resilience: The Experience of Stakeholders in Calle Real, Iloilo City, Philippines |doi=10.1088/1755-1315/1091/1/012011 |date=2022 |last1=Ibabao |first1=Rhodella A. |last2=Balinas |first2=Vicente |last3=Camena |first3=Jerilee |last4=Trance |first4=Rene |last5=Defiesta |first5=Gay |last6=Grio |first6=Mary Earl |last7=Oreta |first7=Andres Winston |last8=Penaredondo |first8=Suzette |journal=IOP Conference Series: Earth and Environmental Science |volume=1091 |issue=1 |page=012011 |bibcode=2022E&ES.1091a2011I |doi-access=free}}</ref><ref>{{Cite web |date=April 18, 1966 |title=Official Week in Review: February 16 ─ March 29, 1966 |url=https://www.officialgazette.gov.ph/1966/04/18/official-week-in-review-february-16-march-29-1966/ |access-date=February 7, 2024 |website=Official Gazette of the Republic of the Philippines}}</ref><ref>{{Cite web |last=Team |first=Editorial |date=2023-02-01 |title=Sta. Teresita del Niño Church in Iloilo City |url=https://www.theoldchurches.com/philippines/iloilo/iloilo-city/sta-teresita-del-nino-church-iloilo-city/ |access-date=2024-02-07 |website=THEOLDCHURCHES |language=en-US}}</ref>
** [[Lyndon B. Johnson]] of the United States and [[Nguyễn Cao Kỳ]] of South Vietnam convene with other officials in a [[Declaration of Honolulu, 1966|summit]] in [[Honolulu, Hawaii]] to discuss the course of the [[Vietnam War]].<ref>David C. Humphrey & David S. Patterson (eds), [https://history.state.gov/historicaldocuments/frus1964-68v04/ch2 "January 31–March 8: The Honolulu Conference; Congressional Hearings on the War] {{Webarchive|url=https://web.archive.org/web/20150216202803/https://history.state.gov/historicaldocuments/frus1964-68v04/ch2 |date=February 16, 2015 }}", ''Foreign Relations of the United States, 1964–1968, Volume IV, Vietnam, 1966'', 1998.</ref> 
* [[February 14]] – The [[Australian dollar]] is introduced at a rate of 2 dollars per pound, or 10 shillings per dollar.
* [[February 19]] – The naval minister of the United Kingdom, [[Christopher Mayhew]], resigns over defence policy.
* [[February 20]] – While Soviet author and translator [[Valery Tarsis]] is abroad, the [[Soviet Union]] negates his citizenship.
* [[February 23]] – [[1966 Syrian coup d'état]]: An intra-party military coup in [[Syria]] replaces the previous government of [[Amin al-Hafiz]] by one led by [[Salah Jadid]].
* [[February 24]] – A coup led by the police and military of [[Ghana]] raises the [[National Liberation Council]] to power while president [[Kwame Nkrumah]] is abroad.
* [[February 28]] – British Prime Minister [[Harold Wilson]] calls a General Election in the United Kingdom, to be held on March 31.

===March===
{{main|March 1966}}
* March – The [[DKW]] automobile ceases production in Germany.<ref name="motorbase.com">{{Cite web |url=http://www.motorbase.com/vehicle/by-id/555 |title=DKW F102 |access-date=October 14, 2012 |work=motorbase.com |archive-url=https://web.archive.org/web/20120609173001/http://motorbase.com/vehicle/by-id/555/ |archive-date=June 9, 2012 |url-status=live}}</ref>
* [[March 1]]
**The British Government announces plans for the [[decimalisation]] of the [[pound sterling]] (hitherto denominated in 20 shillings and 240 pence to the £), to come into force on 15 February 1971 ([[Decimal Day]]).
**Soviet [[space probe]] ''[[Venera 3]]'' crashes on [[Venus]], becoming the first spacecraft to land on another planet's surface.
**The [[Ba'ath Party]] takes power in [[Syria]].
* [[March 2]] – [[Kwame Nkrumah]] arrives in [[Guinea]] and is granted [[right of asylum|asylum]].
* [[March 4]]
**[[Canadian Pacific Air Lines Flight 402]] crashes during a night landing in poor visibility at [[Haneda Airport|Tokyo International Airport]] in Japan, killing 64 of 72 people on board.
**In an interview with ''[[London Evening Standard]]'' reporter [[Maureen Cleave]], [[John Lennon]] of [[The Beatles]] states: "We're [[more popular than Jesus]] now."
* [[March 5]]
**[[BOAC Flight 911]] crashes in severe [[clear-air turbulence]] over [[Mount Fuji]] soon after taking off from Tokyo International Airport in Japan, killing all 124 people on board.
**"[[Merci, Chérie]]" by [[Udo Jürgens]] (music by Udo Jürgens, lyrics by Jürgens and Thomas Hörbiger) wins the [[Eurovision Song Contest 1966]] (staged in Luxembourg) for Austria.
* [[March 7]] – [[Charles de Gaulle]] asks U.S. President [[Lyndon B. Johnson]] for negotiations about the state of [[NATO]] equipment in France.
* [[March 8]]
**Anti-communist demonstrations occur at the [[Indonesia]]n Foreign Ministry.
**[[Vietnam War]]: The U.S. announces it will substantially increase the number of its troops in [[Vietnam]].
**[[Nelson's Pillar]] in [[O'Connell Street]], [[Dublin]], is clandestinely blown up by former [[Irish Republican Army (1922–69)|Irish Republican Army]] volunteers marking this year's 50th anniversary of the [[Easter Rising]].
* [[March 10]] – [[Crown Prince]]ss [[Beatrix of the Netherlands]] marries [[Claus von Amsberg]].<ref>{{cite book |author1=Frederick Martin |author2=Sir John Scott Keltie |author3=Isaac Parker Anderson Renwick |author4=Mortimer Epstein |author5=Sigfrid Henry Steinberg |author6=John Paxton |author7=Brian Hunter (Librarian) |author8=Barry Turner |display-authors=3 |title=The Statesman's Year-book |url=https://books.google.com/books?id=lyk1AAAAIAAJ |year=1975 |publisher=Palgrave |page=1167}}</ref> Some spectators demonstrate against the groom because he is German.
* [[March 11]]
**[[Transition to the New Order]] in [[Indonesia]]: President [[Sukarno]] gives all [[executive power]]s to General [[Suharto]] by signing the "[[Supersemar]]" order.
**French President [[Charles de Gaulle]] states that French troops will be taken out of [[NATO]] and that all French NATO bases and headquarters must be closed within a year.
* [[March 16]] – [[NASA]] spacecraft [[Gemini 8]] ([[David Scott]], [[Neil Armstrong]]) conducts the first docking in space, with an [[Agena target vehicle]].
* [[March 20]] – Football's [[FIFA World Cup Trophy]] is stolen while on exhibition in London; it is found seven days later by a mongrel dog named "[[Pickles (dog)|Pickles]]" and his owner David Corbett, wrapped in newspaper in a south London garden.
* [[March 22]] – in the Chinese city of [[Xingtai]] a magnitude [[1966 Xingtai earthquakes|6.8 earthquake]] leaves more than 8,000 dead and 38,000 injured.
* [[March 24]] – [[Pope Paul VI]] meets [[Michael Ramsey]], the [[Archbishop of Canterbury]], in Rome, and gives him an episcopal ring.<ref>{{cite web |first=John L. |last=Allen Jr. |date=10 October 2003 |url=http://www.nationalcatholicreporter.org/word/word101003.htm |title=No Nobel of John Paul; Catholics, Anglicans determined to keep talking; An interview with Cardinal Theodore McCarrick; Personnel changes in the curia |publisher=[[National Catholic Reporter]] |access-date=February 22, 2021}}</ref>
* [[March 26]] – Demonstrations are held across the United States against the [[Vietnam War]].<ref>{{cite book |author1=Mary Ann Robinson |author2=United States Air Force Academy. Library |title=The Home Front and War in the Twentieth Century |url=https://books.google.com/books?id=8EZ5o7qZ1bIC&pg=PA58 |year=1982 |publisher=United States Air Force Academy, Library |pages=58}}</ref>
* [[March 28]] – [[Cevdet Sunay]] becomes the fifth president of [[Turkey]].<ref>{{cite book |author1=Stanford J. Shaw |author2=Ezel Kural Shaw |title=History of the Ottoman Empire and Modern Turkey: Volume 2, Reform, Revolution, and Republic: The Rise of Modern Turkey 1808-1975 |url=https://books.google.com/books?id=AIET_7ji7YAC&pg=PA440 |date=27 May 1977 |publisher=Cambridge University Press |isbn=978-0-521-29166-8 |pages=440}}</ref>
* [[March 29]] – The [[23rd Congress of the Communist Party of the Soviet Union]] is held: [[Leonid Brezhnev]] demands that U.S. troops leave Vietnam, and announces that [[Sino-Soviet split|Chinese-Soviet relations]] are not satisfactory.<ref>{{cite book |first=Christian F. |last=Ostermann |title=Inside China's Cold War |url=https://books.google.com/books?id=5IjzAAAAMAAJ&pg=PA370 |year=2008 |publisher=Woodrow Wilson International Center for Scholars |pages=370}}</ref>
* [[March 31]]
**The British [[Labour Party (UK)|Labour Party]] led by [[Harold Wilson]] wins the [[1966 United Kingdom general election]], gaining a 96-seat majority (compared with a single seat majority when the election was called on February 28).<ref>{{cite news |url=http://news.bbc.co.uk/onthisday/hi/dates/stories/march/31/newsid_4693000/4693142.stm |work=BBC News |title=1966: Harold Wilson wins sweeping victory |date=March 31, 1966 |access-date=October 3, 2010 |archive-url=https://web.archive.org/web/20080307123541/http://news.bbc.co.uk/onthisday/hi/dates/stories/march/31/newsid_4693000/4693142.stm |archive-date=March 7, 2008 |url-status=live}}</ref>
** The [[Soviet Union]] launches [[Luna 10]], which becomes the first [[space probe]] to enter orbit around the Moon.

===April===
{{main|April 1966}}
* [[April 2]] – The [[Indonesia]]n army demands that the country rejoin the [[United Nations]].
* [[April 3]] – [[Luna 10]] is the first manmade object to enter lunar orbit.
* [[April 5]] &ndash; During the [[Buddhist Uprising]], South Vietnamese military prime minister [[Nguyễn Cao Kỳ]] personally attempts to lead the capture of the restive city of [[Da Nang|Đà Nẵng]] before backing down.<ref>{{cite book |title=Intervention : how America became involved in Vietnam |last=Kahin|first=George McT. |location=New York City |publisher=Knopf |year=1986 |pages=423&ndash;424 |isbn=0-394-54367-X |author-link=George McTurnan Kahin |url=https://archive.org/details/intervention00geor}}</ref>
* [[April 7]] – The United Kingdom asks the [[United Nations Security Council]] for authority to use force to stop [[oil tanker]]s that violate the embargo against [[Rhodesia]] (authority is given [[April 10]]).
* [[April 8]]
** Buddhists in [[South Vietnam]] protest against the fact that the new government has not set a date for [[Free and fair election|free elections]].
** [[Leonid Brezhnev]] becomes General Secretary of the [[Soviet Union]], as well as Leader of the Communist Party of the U.S.S.R.
* [[April 14]] 
** Kenyan Vice President [[Oginga Odinga]] resigns, saying "invisible government" representing foreign interests now runs the country. He will head a new party, the [[Kenya People's Union]]. 
**The [[South Vietnam]]ese government promises free elections in 3–5 months.
* [[April 15]] – An anti-[[Gamal Abdel Nasser|Nasser]] conspiracy is exposed in [[Egypt]].
* [[April 18]]
** China declares that it will stop economic aid to [[Indonesia]].
** The [[38th Academy Awards]] ceremony is held in [[Santa Monica, California]]: ''[[The Sound of Music (film)|The Sound of Music]]'' wins [[Academy Award for Best Picture|Best Picture]].
* [[April 19]] – [[Moors murders]]: [[Ian Brady]] and [[Myra Hindley]] go on trial at [[Chester Crown Court]] in north west England for the murders of 3 children who vanished between November [[1963]] and October [[1965]].
* [[April 21]]
** An [[artificial heart]] is installed in the chest of Marcel DeRudder in a [[Houston, Texas]], hospital.
** The opening of the [[Parliament of the United Kingdom]] is televised for the first time.
** [[Haile Selassie]] visits [[Jamaica]] for the first time, meeting with [[Rastafari movement|Rasta]] leaders.
* [[April 24]] – [[Uniform Time Act|Uniform]] [[daylight saving time]] is first observed in most parts of North America.
* [[April 26]] 
** A new government is formed in the [[Republic of the Congo]], led by [[Ambroise Noumazalaye]].
** The magnitude 5.1 [[1966 Tashkent earthquake|Tashkent earthquake]] affects the largest city in [[Soviet Central Asia]] with a maximum [[Medvedev–Sponheuer–Karnik scale|MSK intensity]] of VII (''Very strong''). [[Tashkent]] is mostly destroyed and 15–200 are killed.
* [[April 27]] – [[Pope Paul VI]] and Soviet Foreign Minister [[Andrei Gromyko]] meet in the [[Vatican City|Vatican]] (the first meeting between leaders of the [[Roman Catholic Church]] and the [[Soviet Union]]).
* [[April 28]] – In [[Rhodesia]], security forces kill seven [[ZANLA]] men in combat; ''[[Chimurenga]]'', the [[ZANU]] rebellion, begins.
* [[April 30]] – Regular [[hovercraft]] service begins over the [[English Channel]] (discontinued in 2000).

===May===
{{main|May 1966}}
[[File:Flag of Guyana.svg|thumb|May 26: [[Guyana]] becomes independent]]
* [[May 4]]
** [[Fiat]] signs a contract with the Soviet government to build a car factory in the [[Soviet Union]].
** [[May 1966 lunar eclipse]]: A penumbral lunar eclipse takes place, the 64th lunar eclipse of [[Lunar Saros 111]].
* [[May 5]] – The [[Montreal Canadiens]] defeat the [[Detroit Red Wings]] to win the [[Stanley Cup]] in ice hockey.
* [[May 6]] – The [[Moors murders]] trial ends in the UK with [[Ian Brady]] being found guilty on all three counts of murder and sentenced to three concurrent terms of life imprisonment. [[Myra Hindley]] is convicted on two counts of murder and of being an accessory in the third murder committed by Brady, receiving two concurrent terms of life imprisonment and a seven-year fixed term for being an accessory.
* [[May 7]] – Irish bank workers [[Irish bank strikes (1966–76)|go on strike]]. 
* [[May 12]]
** African members of the UN Security Council say that the British army should blockade Rhodesia.
** [[China Radio International|Radio Peking]] claims that U.S. planes have shot down a Chinese plane over [[Yunnan]] (the U.S. denies the story the next day).
* [[May 14]] – [[Turkey]] and Greece intend to start negotiations about the situation in [[Cyprus]].
* [[May 15]]
** [[Indonesia]] asks [[Malaysia]] for peace negotiations.
** The [[South Vietnam]]ese army besieges [[Da Nang]].
** Tens of thousands of anti-war demonstrators again picket the [[White House]], then rally at the [[Washington Monument]].
* [[May 16]]
** The [[Chinese Communist Party]] issues the '[[May 16 Notification|May 16 Notice']], marking the beginning of the [[Cultural Revolution]].
** A strike is called by the [[National Union of Seamen]] in the United Kingdom.<ref name=Seamenstrike>{{cite web |url=http://news.bbc.co.uk/onthisday/hi/dates/stories/may/23/newsid_2504000/2504227.stm |title=Emergency laws over seamen's strike |work=On This Day 1950–2005 |publisher=[[BBC]] |access-date=2020-12-18 |date=1966-05-23 |archive-url=https://web.archive.org/web/20080209013952/http://news.bbc.co.uk/onthisday/hi/dates/stories/may/23/newsid_2504000/2504227.stm |archive-date=2008-02-09 |url-status=live}}</ref>
** In New York City, Dr. [[Martin Luther King Jr.]] makes his first public speech on the [[Vietnam War]].
* [[May 19]] – Gertrude Baniszewski is found guilty of torturing and murdering 16-year-old [[Murder of Sylvia Likens|Sylvia Likens]] in Indianapolis, United States, and is sentenced to life in prison (she is released on parole in December [[1985]]).<ref>{{Cite web |url=https://www.indystar.com/story/news/history/retroindy/2013/10/24/sylvia-likens/3178393/ |title=The 1965 torture and murder of Sylvia Likens |website=The Indianapolis Star}}</ref>
* [[May 24]]
** [[Battle of Mengo Hill]]: [[Uganda]]n army troops arrest [[Mutesa II of Buganda]] and occupy his palace.<ref>{{cite book |author=Uganda. National Assembly |title=Official Report |url=https://books.google.com/books?id=czNVAAAAYAAJ |year=1967 |page=375}}</ref>
** The [[Nigeria]]n government forbids all political activity in the country until January 17, 1969.
* [[May 25]]
** [[Explorer program]]: Satellite [[Explorer 32]] (Atmosphere Explorer-B) is launched from the United States.
** [[No. 9 Squadron RAAF]] becomes part of the 4,500 strong [[Australia]]n Task Force assigned to duties in [[Vietnam]], leaving for [[Southeast Asia]] aboard the aircraft carrier [[HMAS Sydney (R17)|HMAS ''Sydney'']].<ref>Scutts, Colin (1976), ''Helicopter Gunships'', p. 5. Marshall Cavendish. {{ISSN|0307-2886}}</ref>
* [[May 26]] – [[British Guiana]] achieves independence from the United Kingdom, becoming [[Guyana]].
* [[May 28]]
** [[Fidel Castro]] declares [[martial law]] in Cuba because of a possible U.S. attack.
** The [[Indonesia]]n and [[Malaysia]]n governments declare that the [[Indonesia–Malaysia confrontation]] is over (a treaty is signed on [[August 11]]).
** Boat ride "[[It's a Small World]]" opens at [[Disneyland]].
* [[May 29]] – Sports stadium [[Estadio Azteca]] officially opens in [[Mexico City]] in advance of the [[1968 Summer Olympics]].<ref>{{Cite web |date=2014-07-16 |title=Classic Stadium |url=http://www.fifa.com/classicfootball/stadiums/stadium=5000118/ |access-date=2022-01-30 |website= |archive-url=https://web.archive.org/web/20140716155413/http://www.fifa.com/classicfootball/stadiums/stadium=5000118/ |archive-date=16 July 2014 |url-status=dead}}</ref>
* [[May 31]] – The [[Philippines]] reestablishes [[diplomatic relations]] with [[Malaysia]].

===June===
{{main|June 1966}}
* [[June 2]]
** [[Éamon de Valera]] is re-elected as Irish president, aged 84.
** [[Surveyor program]]: [[Surveyor 1]] lands in Oceanus Procellarum on the [[Moon]], becoming the first U.S. [[spacecraft]] to soft-land on another world.
** Four former cabinet ministers including [[Évariste Kimba]] are executed in the [[Republic of the Congo (Léopoldville)|Democratic Republic of the Congo]] for alleged involvement in a plot to kill [[Mobutu Sese Seko]].
* [[June 3]] – [[Joaquín Balaguer]] is elected president of the [[Dominican Republic]].
* [[June 5]] – [[Gemini 9A]]: [[Gene Cernan]] completes the second U.S. spacewalk (2 hours, 7 minutes).
* [[June 6]] – [[Civil rights movement|Civil rights]] activist [[James Meredith]] is shot by a sniper while traversing Mississippi in the [[March Against Fear]].
* [[June 8]]
** A [[North American XB-70 Valkyrie]] strategic bomber prototype is destroyed in a mid-air collision with an [[F-104 Starfighter]] chase plane during a photo shoot. [[NASA]] pilot [[Joseph A. Walker]] and [[USAF]] test pilot Carl Cross are both killed.
** [[1966 Topeka tornado]]: [[Topeka, Kansas]], is devastated by a tornado that registers as an "F5" on the [[Fujita scale]], the first to exceed US$100&nbsp;million in damages. Sixteen people are killed, hundreds more injured and thousands of homes damaged or destroyed, and the campus of [[Washburn University]] suffers catastrophic damage.<ref>{{cite web |url=http://www.crh.noaa.gov/top/events/66tornado.php |title=NOAA.gov |access-date=October 6, 2014 |archive-url=https://web.archive.org/web/20141103201321/http://www.crh.noaa.gov/top/events/66tornado.php |archive-date=November 3, 2014 |url-status=live}}</ref>
* [[June 12]] – Chicago's [[Division Street riots]] begin in response to police shooting of a young Puerto Rican man. 
* [[June 13]] – ''[[Miranda v. Arizona]]'': The [[Supreme Court of the United States]] rules that the police must inform [[suspect]]s of their rights before questioning them.
* [[June 14]] – The [[Holy See|Vatican]] abolishes the ''[[Index Librorum Prohibitorum]]''. 
* [[June 17]] – An [[Air France]] personnel strike begins.
* [[June 18]] – [[CIA]] chief [[William Raborn]] resigns; [[Richard Helms]] becomes his successor.
* [[June 28]] – [[Argentine Revolution]]: In [[Argentina]], a [[military dictatorship|military junta]] calling itself ''Revolución Argentina'' deposes president [[Arturo Umberto Illia]] in a [[coup]] and appoints General [[Juan Carlos Onganía]] to power.
* [[June 29]]
** [[Vietnam War]]: U.S. planes begin bombing [[Hanoi]] and [[Haiphong]].<ref>{{cite book |first=William |last=Stewart Logan |title=Hanoi: Biography of a City |url=https://books.google.com/books?id=QiYG5lXd4XsC&pg=PA149 |year=2000 |publisher=UNSW Press |isbn=978-0-86840-443-1 |pages=149}}</ref>
** The strike by the [[National Union of Seamen]] in the United Kingdom is called off.<ref name=Seamenstrike/>
* [[June 30]]
** France formally leaves the military structure of [[NATO]].
** The [[National Organization for Women]] (NOW) is founded in Washington, D.C.

===July===
{{main|July 1966}}
* [[July 1]] – [[Joaquín Balaguer]] becomes president of the [[Dominican Republic]].<ref>{{cite book |author1=Kenneth Ruddle |author2=Philip Gillette |author3=Philip S. Gillette |title=Latin American Political Statistics: Supplement to the Statistical Abstract of Latin America |url=https://books.google.com/books?id=UNYOAAAAYAAJ |year=1972 |publisher=Latin American Center, University of California |isbn=978-0-87903-221-0 |page=36}}</ref>
* [[July 3]]
**31 people are arrested when a demonstration by approximately 4,000 anti-[[Vietnam War]] protesters in front of the [[United States Embassy in London]] in [[Grosvenor Square]] turns violent.
**[[René Barrientos]] is elected [[President of Bolivia]].
* [[July 6]] – [[Malawi]] becomes a republic.
* [[July 7]] – A [[Warsaw Pact]] conference ends with a promise to support North Vietnam.
* [[July 8]] – King [[Mwambutsa IV Bangiriceng of Burundi]] is deposed by his son [[Ntare V]], who is in turn deposed by prime minister [[Michel Micombero]].
* [[July 11]] – The [[1966 FIFA World Cup]] begins in England.
* [[July 12]] – [[Zambia]] threatens to leave the [[Commonwealth of Nations]] because of British peace overtures to [[Rhodesia]].
* [[July 13]] – In [[Chicago]], United States, [[Richard Speck]] breaks into a nurses' dormitory and murders eight of the nine student nurses who live there.<ref>Fornek, Scott. [http://www.freerepublic.com/focus/news/1662933/posts"'They're all dead!': 40 years ago this week, Richard Speck killed 8"]. ''Chicago Sun-Times''. July 9, 2006.</ref><ref>''The Murder Almanac'' {{ISBN|978-1-897-78404-4}} p. 149</ref>
* [[July 14]]
** [[Israel]]i and [[Syria]]n jet fighters clash over the [[Jordan River]].
** [[Gwynfor Evans]], President of [[Plaid Cymru]], the Welsh nationalist party, becomes Member of the United Kingdom Parliament for [[Carmarthen (UK Parliament constituency)|Carmarthen]], taking the previously Labour-held Welsh seat at a by-election with a majority of 2,435 on an 18% swing and giving his party its first representation at Westminster in its forty-one year history.
* [[July 18]]
** [[Gemini 10]] ([[John Young (astronaut)|John Young]], [[Michael Collins (astronaut)|Michael Collins]]) is launched from the United States. After docking with an [[Agena target vehicle]], the astronauts set a world altitude record of 474 miles (763&nbsp;km).
** The [[International Court of Justice]] rules in favour of South Africa in a case on the administration of [[South West Africa]] which has been brought before them by [[Ethiopia]] and [[Liberia]].
* [[July 22]] – Following the [[death of Hsu Tsu-tsai]], a visiting engineer, in The Hague under suspicious circumstances, the Chinese government declares Dutch diplomat G. J. Jongejans [[persona non grata]], but tells him not to leave China before Hsu's Chinese associates have been permitted to leave the Netherlands.
* [[July 23]] – [[Katanga Province|Katangese]] troops in [[Kisangani|Stanleyville]], [[Democratic Republic of the Congo|Congo]], revolt for several weeks in support of the exiled minister [[Moise Tshombe]].
* [[July 24]]
** U.N. Secretary General [[U Thant]] visits Moscow.
** A USAF [[McDonnell Douglas F-4 Phantom II|F-4C Phantom]] #63-7599 is shot down by a North Vietnamese [[S-75 Dvina|SAM-2]] {{convert|45|mi}} northeast of [[Hanoi]], the first loss of a U.S. aircraft to a Vietnamese [[surface-to-air missile]] in the Vietnam War.<ref>{{cite book |last=Van Staaveren |first=Jacob |title=Gradual Failure: The air war over North Vietnam 1965-1966 |url=https://archive.org/details/bub_gb_Lk6CdTcReLgC |publisher=DIANE Publishing |year=2002 |isbn=9781428990180 |pages=163–4}}</ref>
* [[July 26]] – Lord Gardiner issues the [[Practice Statement]] in the [[House of Lords]] of the United Kingdom, stating that the House, when acting in a judicial capacity, is not bound to follow its own previous [[precedent]].
* [[July 28]] – The U.S. announces that a [[Lockheed U-2]] reconnaissance plane has disappeared over Cuba.
* [[July 29]]
** [[1966 Nigerian counter-coup]]: Army officers from the north of [[Nigeria]] execute head of state General [[Johnson Aguiyi-Ironsi|Aguiyi-Ironsi]] and install [[Yakubu Gowon]].
** ''[[La Noche de los Bastones Largos]]'': Junta takes over Argentine universities.
** [[Bob Dylan]] is injured in a motorcycle accident near his home in [[Woodstock, New York]]. He is not seen in public for over a year.
* [[July 30]] – [[England national football team|England]] beats [[Germany national football team|West Germany]] 4–2 to win the [[1966 FIFA World Cup]] at [[Wembley Stadium (1923)|Wembley]] after [[extra time]].
* [[July 31]] – [[Loss of MV Darlwyne|Loss of MV ''Darlwyne'']]: a pleasure cruiser disappears off the [[Cornwall]] coast of England with the loss of all 31 aboard.<ref>'{{cite book |last=Banks |first=Martin |title=The Mysterious Loss of the Darlwyne |publisher=Tamar Books |location=Exeter |year=2014 |isbn=978-0-9574742-1-5 |pages=29&ndash;31, 47}}</ref>

===August===
{{main|August 1966}}
* [[August 1]]
** Sniper [[Charles Whitman]] [[University of Texas tower shooting|kills 15 people and wounds 31]] from roof of the [[University of Texas at Austin]] Main Building tower in the United States, after earlier killing his [[Uxoricide|wife]] and [[Matricide|mother]].<ref>{{Cite web |last=Hight |first=Bruce |title=UT Tower shooting claims one more life |url=https://www.statesman.com/story/news/2016/09/03/ut-tower-shooting-claims-one-more-life/10008498007/ |access-date=2025-02-03 |website=Austin American-Statesman |language=en-US}}</ref>
** The British [[Colonial Office]] merges with the [[Commonwealth Relations Office]] to form a new [[Commonwealth Office]].
* [[August 5]] – The [[Caesars Palace]] hotel and casino opens in [[Las Vegas]], United States.
* [[August 6]]
** [[Braniff International Airways Flight 250]] crashes in [[Falls City, Nebraska]], United States, killing all 42 of those on board.<ref>{{Cite web |last=Ranter |first=Harro |title=ASN Aircraft accident BAC One-Eleven 203AE N1553 Falls City, NE |url=https://aviation-safety.net/database/record.php?id=19660806-0 |access-date=2020-07-26 |website=aviation-safety.net |publisher=[[Aviation Safety Network]]}}</ref>
** [[René Barrientos]] takes office as the President of [[Bolivia]].
** The [[António de Oliveira Salazar|Salazar]] Bridge (later the [[25 de Abril Bridge]]) opens in [[Lisbon]], Portugal.
* [[August 10]] – [[Lunar Orbiter 1]], the first U.S. spacecraft to orbit the Moon, is launched.
* [[August 11]]
** Indonesia and Malaysia issue a joint peace declaration, formally ending the [[Indonesia–Malaysia confrontation]] which began in 1963.
** [[The Beatles]] hold a press conference in Chicago, during which [[John Lennon]] apologizes for his "[[more popular than Jesus]]" remark, saying, "I didn't mean it as a lousy anti-religious thing."
* [[August 12]] – [[Massacre of Braybrook Street]]: Harry Roberts, John Duddy and Jack Witney shoot dead 3 plainclothes policemen in London; they are later sentenced to life imprisonment.
* [[August 15]] – [[Syria]]n and [[Israel]]i troops clash over Lake Kinneret (also known as the [[Sea of Galilee]]) for 3 hours.
* [[August 17]] – [[Saudi Arabia]] and the [[United Arab Republic]] begin negotiations in [[Kuwait]] to end the war in [[Yemen]].
* [[August 18]] – [[Vietnam War]] – [[Battle of Long Tan]]: D Company, 6th Battalion of the [[Royal Australian Regiment]], meets and defeats a [[Viet Cong]] force estimated to be four times larger, in Phuoc Tuy Province, [[Republic of Vietnam]].
* [[August 19]] – The 6.8 {{M|w|link=y}} [[1966 Varto earthquake|Varto earthquake]] affects the town of Varto in eastern [[Turkey]] with a maximum Mercalli intensity of IX (''Violent''), killing at least 2,394–3,000 and injuring at least 1,420.
* [[August 21]] – Seven men are sentenced to death in [[Egypt]] for anti-[[Gamal Abdel Nasser|Nasser]] agitation.
* [[August 22]]
** The [[Asian Development Bank]] (ADB) is established.
** The United Farm Workers Organizing Committee (UFWOC), predecessor of the [[United Farm Workers|United Farm Workers of America]] (UFW), is formed.
* [[August 26]] – The first battle of the South African Air Force and the [[South African Police]] with [[People's Liberation Army of Namibia|PLAN]], the armed wing of the [[South West Africa People's Organization]] (SWAPO), takes place at [[Ongulumbashe]] during Operation Blue Wildebeest, triggering the [[South African Border War]] which continues until [[1989]].
* [[August 29]] – [[The Beatles]] end their [[The Beatles' 1966 US tour|U.S. tour]] with a concert at [[Candlestick Park]] in [[San Francisco]]. It is their last performance as a live touring band.
* [[August 30]] – France offers independence to [[French Somaliland]] ([[Djibouti]] from 1977).

===September===
{{main|September 1966}}
[[File:Flag of Botswana.svg|thumb|September 30: [[Botswana]] becomes independent]]
* [[September 1]]
** [[United Nations Secretary-General]] [[U Thant]] declares that he will not seek re-election, because U.N. efforts in Vietnam have failed.
** 98 British tourists die when [[Britannia Airways Flight 105]] crashes in [[Ljubljana]], [[Socialist Federal Republic of Yugoslavia|Yugoslavia]].
* [[September 6]] – South African Prime Minister [[Hendrik Verwoerd]] is stabbed to death in Parliament by [[Dimitri Tsafendas]].
* [[September 9]] – [[NATO]] decides to move [[Supreme Headquarters Allied Powers Europe]] to Belgium.
* [[September 12]] – [[B. J. Vorster]] becomes the new [[Prime Minister of South Africa]].
* [[September 13]] – [[Cultural Revolution]] in China: Clashes between the Chinese Communist Party and the Red Guards are reported by [[Telegraph Agency of the Soviet Union|TASS]] in the Soviet Union.
* [[September 16]]
** In South Vietnam, [[Thích Trí Quang]] ends a 100-day hunger strike.
** The [[Metropolitan Opera House (Lincoln Center)|Metropolitan Opera House]] opens at [[Lincoln Center]] in New York City with the world premiere of [[Samuel Barber]]'s opera ''[[Antony and Cleopatra (1966 opera)|Antony and Cleopatra]]''.
* [[September 19]] – Indonesian military commander (later President) [[Suharto]] announces the resumption of Indonesian participation in the United Nations.
* [[September 29]] – [[Hurricane Inez]] strikes Hispaniola, leaving thousands dead and tens of thousands homeless in the [[Dominican Republic]] and [[Haiti]].<ref>{{cite book |last=Longshore |first=David |title=Encyclopedia of hurricanes, typhoons, and cyclones |publisher=Facts on File |location=New York |year=2008 |isbn=9781438118796 |page=239}}</ref>
* [[September 30]]
** The [[Bechuanaland Protectorate]] in Africa achieves independence from the United Kingdom as [[Botswana]], with [[Seretse Khama]] as its first [[President of Botswana|President]].
** [[Baldur von Schirach]] and [[Albert Speer]] are released from [[Spandau Prison]] in West Berlin.

===October===
{{main|October 1966}}
[[File:Flag of Lesotho (1966–1987).svg|thumb|October 4: [[Lesotho]] becomes independent]]
* [[October 1]] – [[West Coast Airlines Flight 956]] crashes with 18 fatal injuries and no survivors {{convert|5.5|mi|km}} south of [[Wemme, Oregon]], the first loss of a [[DC-9]].<ref>[http://amelia.db.erau.edu/reports/ntsb/aar/AAR67-AF.pdf Aircraft Accident Report. West Coast Airlines, Inc DC-9 N9101. Near Wemme, Oregon] {{webarchive|url=https://web.archive.org/web/20080216033755/http://amelia.db.erau.edu/reports/ntsb/aar/AAR67-AF.pdf |date=February 16, 2008 }}, Adopted:December 11, 1967.</ref>
* [[October 3]] – [[Tunisia]] severs diplomatic relations with the [[United Arab Republic]].
* [[October 4]]
** [[Israel]] applies for membership in the [[European Economic Community]], which is never granted.
** [[Basutoland]] becomes independent of the United Kingdom and takes the name [[Lesotho]].
* [[October 5]]
** [[UNESCO]] signs the Recommendation Concerning the Status of Teachers. This event is to be celebrated as World Teachers' Day.
** Spain closes its [[Gibraltar]] border to vehicular traffic.<ref>{{cite book |first=Judith |last=Bell |title=Border and Territorial Disputes |url=https://books.google.com/books?id=3om5AAAAIAAJ |year=1987 |publisher=Longman |isbn=978-0-8103-2543-2 |pages=94–95}}</ref>
** An experimental [[breeder reactor]] at the [[Enrico Fermi Nuclear Generating Station]] in Michigan suffers a partial meltdown when its cooling system fails.
* [[October 6]] 
** [[LSD]] is made illegal in the United States and controlled so strictly that not only are possession and recreational use criminalized, but all legal scientific research programs on the drug in the country are shut down as well.
** The Love Pageant Rally takes place in the [[Panhandle (San Francisco)|Panhandle]] of Golden Gate Park (a narrow section that projects into San Francisco's [[Haight-Ashbury]] district).
* [[October 7]] – The [[Soviet Union]] declares that all Chinese students must leave the country before the end of October.
* [[October 9]] – [[Vietnam War]]: [[Binh Tai Massacre]].
* [[October 11]] – France and the [[Soviet Union]] sign a treaty for cooperation in nuclear research.
* [[October 14]] 
** Closure of [[Intra Bank]] begins a crisis in the Lebanese banking system.
** The city of [[Montreal]] inaugurates the [[Montreal Metro]] system.
* [[October 15]] – [[Bobby Seale]] and [[Huey P. Newton]] found the [[Black Panther Party]] in the United States.
* [[October 17]] – [[Lesotho]] and [[Botswana]] are admitted to the [[United Nations]].
* [[October 21]] – [[Aberfan disaster]] in [[South Wales]] (U.K.): 144 (including 116 children) are killed by a collapsing coal spoil tip.<ref>{{cite book |last1=Austin |first1=Tony |title=Aberfan: The Story of a Disaster (passim) |date=1967 |publisher=Hutchinson & Co |location=London |oclc=751632264}}</ref>
* [[October 26]]
** [[NATO]] decides to move its headquarters from Paris to [[Brussels]].<ref>{{cite book |first=Walter John |last=Raymond |title=Dictionary of Politics: Selected American and Foreign Political and Legal Terms |url=https://books.google.com/books?id=1dtn0olA8PcC&pg=PA649 |year=1992 |publisher=Brunswick Publishing Corp |isbn=978-1-55618-008-8 |pages=649}}</ref>
** A fire aboard the US aircraft carrier {{USS|Oriskany|CV-34|6}} in the [[Gulf of Tonkin]] kills 44 crewmen.
* [[October 27]] 
** The [[United Nations]] terminates the mandate given by the [[League of Nations]] and proclaims that [[South West Africa]] will be administrated by the United Nations. This is rejected by South Africa.
** [[Walt Disney]] records his final filmed appearance prior to his death, detailing his plans for [[EPCOT (concept)|EPCOT]], a utopian [[planned community|planned city]] to be built in Florida.

===November===
{{main|November 1966}}
[[File:Flag of Barbados.svg|thumb|November 30: [[Barbados]] becomes independent]]
* [[November 2]] 
**The [[Cuban Adjustment Act]] comes into force, allowing 123,000 [[Cubans]] the opportunity to apply for [[permanent residency]] in the United States.<ref>{{cite web |url=https://guides.loc.gov/latinx-civil-rights/cuban-adjustment-act |title=1966: The Cuban Adjustment Act of 1966 |website=Library of Congress |access-date=February 12, 2024}}</ref>
**[[North Korea]]n commandos ambush a UN command control consisting of [[2nd Infantry Division (United States)|2nd Infantry Division]] soldiers south of the [[Korean Demilitarized Zone]].<ref>{{cite book |url=https://books.google.com/books?id=E3qXEAAAQBAJ&dq=november+2+1966+korean+ambush&pg=PR15 |title=Smell the Gunpowder: The Land of the Morning Calm |isbn=978-0-578-26472-1 |last1=Graser |first1=William R. |date=October 25, 2022 |publisher=Outskirts Press}}</ref>
* [[November 4]] – [[1966 flood of the Arno]] river in Italy hits [[Florence]], flooding it to a maximum depth of {{convert|6.7|m|ft|abbr=on}}, leaving thousands homeless and destroying millions of masterpieces of art and rare books. In addition, a [[1966 Venice flood|severe tidal flood]] hits [[Venice]].
* [[November 5]] – Thirty-eight African states demand that the [[United Kingdom]] use force against the [[Rhodesia]]n government.
* [[November 6]] – [[Lunar Orbiter 2]] is launched.
* [[November 8]] – Screen actor [[Ronald Reagan]] is elected [[Governor of California]].
* [[November 10]] – [[Seán Lemass]] retires as [[Taoiseach]] of the [[Republic of Ireland]], to be replaced in the role by fellow [[Fianna Fáil]] member [[Jack Lynch]].
* [[November 11]]
** A mine kills three [[Israelis|Israeli]] paratroopers on the [[West Bank]] border.
** Spain declares a general amnesty for crimes committed during the [[Spanish Civil War]], effective only for the [[Falangists]]' side.
* [[November 12]] – A total [[solar eclipse]] occurs, the 20th solar eclipse of [[Solar Saros 142]].
* [[November 15]] – [[Gemini 12]] ([[James A. Lovell]], [[Buzz Aldrin]]) splashes down safely in the Atlantic Ocean, {{convert|600|km|mi|abbr=on}} east of [[the Bahamas]].
* [[November 17]]
** The U.N. General Assembly decides to found the [[United Nations Industrial Development Organization]].
** A spectacular [[Leonids|Leonid]] meteor shower passes over [[Arizona]], at the rate of 2,300 a minute for 20 minutes.
* [[November 24]] – [[TABSO Flight 101]], from Sofia, Bulgaria, crashes near [[Bratislava]], Czechoslovakia, killing all 82 people on board.<ref>{{cite web |last=Ďuriančík |first=Pavol |date=24 November 2006 |title=Haváriu lietadla nad Račou pripomína kríž |trans-title=Cross commemorates airplane crash over Rača |url=http://cestovanie.sme.sk/clanok.asp?cl=3017046 |url-status=live |archive-url=https://web.archive.org/web/20071206115507/http://cestovanie.sme.sk:80/clanok.asp?cl=3017046 |archive-date=December 6, 2007 |accessdate=8 December 2007 |website= |publisher=[[SME (newspaper)|SME]] |language=Slovak}}</ref>
* [[November 26]] 
** [[1966 Australian federal election]]: [[Harold Holt]]'s [[Liberal Party of Australia|Liberal]]/[[National Party of Australia|Country]] [[Coalition (Australia)|Coalition]] [[Holt government|government]] is re-elected with a significantly increased majority, defeating the [[Australian Labor Party|Labor Party]] led by [[Arthur Calwell]]. Calwell resigns as Labor leader shortly after; he will be [[1967 Australian Labor Party leadership election|replaced]] by his deputy and future [[Prime Minister of Australia|Prime Minister]] [[Gough Whitlam]].
** In the [[Canadian Football League]], the [[Saskatchewan Roughriders]] defeat the [[Ottawa Rough Riders]] to win the [[54th Grey Cup]] at [[Vancouver]]'s [[Empire Stadium (Vancouver)|Empire Stadium]] 29–14. Saskatchewan are led by quarterback [[Ron Lancaster]].
* [[November 27]] – The [[Washington Redskins]] defeat the [[New York Giants]] 72–41 in the highest scoring game in [[National Football League]] history.
* [[November 28]] – [[Truman Capote]]'s [[Black and White Ball]] ("The Party of the Century") is held in New York City.
* [[November 29]] – The {{SS|Daniel J. Morrell}} sinks in a storm on [[Lake Huron]], killing 28 of 29 crewmen.
* [[November 30]] – [[Barbados]] achieves [[Barbados Independence Act 1966|independence]] from the United Kingdom.

===December===
{{main|December 1966}}
* [[December 1]]
** [[Kurt Georg Kiesinger]] is elected [[Chancellor of Germany (Federal Republic)|Chancellor of West Germany]].
** British Prime Minister [[Harold Wilson]] and [[Rhodesia]]n Prime minister [[Ian Smith]] negotiate aboard {{HMS|Tiger|C20|6}} in the Mediterranean.
* [[December 2]] – [[U Thant]] agrees to serve a second term as United Nations Secretary General.
* [[December 3]] – Anti-Portuguese demonstrations occur in [[Macau]]; a [[curfew]] is declared the next day.
* [[December 5]] – The U.S. Supreme Court rules in ''[[Bond v. Floyd]]'' that the Georgia House of Representatives must seat Julian Bond, having violated his [[First Amendment to the United States Constitution|First]] and [[Fourteenth Amendment to the United States Constitution|Fourteenth Amendment]] rights.
* [[December 6]] – [[Vietnam War]]: [[Bình Hòa massacre]].
* [[December 7]]
** [[Syria]] offers weapons to rebels in [[Jordan]].
** [[Barbados]] is [[United Nations Security Council Resolution 230|admitted to the United Nations]].
* [[December 8]] – The Typaldos Line's ferry {{SS|Heraklion}} sinks in rough seas in the [[Aegean Sea]] near [[Crete]], leaving 217 dead.
* [[December 16]]
** The United Nations Security Council approves an oil embargo against [[Rhodesia]].
** The [[International Covenant on Economic, Social and Cultural Rights]] and the [[International Covenant on Civil and Political Rights]] are adopted by the General Assembly, as Resolution 2200 A (XXI).
* [[December 17]] – South Africa does not join the [[trade embargo]] against [[Rhodesia]].
* [[December 18]] &ndash; ''[[How the Grinch Stole Christmas (television special)|How the Grinch Stole Christmas]]'', narrated by [[Boris Karloff]], is shown for the first time on [[CBS]] in the United States. It becomes a [[Christmas]] tradition.
* [[December 19]] – The [[Asian Development Bank]] begins operations.
* [[December 20]] – U.K. Prime Minister [[Harold Wilson]] withdraws all his previous offers to the [[Rhodesia]]n government and announces that he will agree to [[independence]] for the country only after the establishment of a Black majority government there.
* [[December 22]] – Prime Minister [[Ian Smith]] declares that Rhodesia is already a republic.
* [[December 26]] – The first [[Kwanzaa]] is celebrated by [[Maulana Karenga]], founder of Organization US (a black nationalist group) and chair of [[Black Studies]] at [[California State University, Long Beach]], from 1989 to 2002.<ref>{{cite book |author=Karenga (Maulana) |title=Kwanzaa: Origin, Concepts, Practice |url=https://books.google.com/books?id=hyQ9AAAAIAAJ |year=1977 |publisher=Kawaida Publications |isbn=978-0-943412-02-3 |page=20}}</ref>
* [[December 31]]
** East German Premier [[Walter Ulbricht]] discusses negotiations about [[German reunification]].
** Eight paintings worth millions of pounds are stolen from [[Dulwich Picture Gallery]] in London, but are recovered locally within a week.
** The Congolese government takes over the [[Union Minière du Haut Katanga]].

===Date unknown===
* [[Konstantin Chernenko]], later leader of the [[Soviet Union]], becomes a candidate member of the [[Central Committee]].
* [[Lise Meitner]] and [[Otto Hahn]] are awarded the [[Fermi Prize]].
* The [[Congress of the United States]] creates the National Council for Marine Resources and Engineering Development.
* [[Martin Richards (computer scientist)|Martin Richards]] designs the programming language [[BCPL]].
* The World Buddhist [[Sangha (Buddhism)|Sangha]] Council is convened by [[Theravada|Theravadins]] in [[Sri Lanka]], with the hope of bridging differences and working together.
* ''The [[Jerusalem Bible]]'', a [[Roman Catholic]] translation, is published in English.
* [[Peter L. Berger]] and [[Thomas Luckmann]] publish ''[[The Social Construction of Reality]]''.
* [[Long-term potentiation]] (LTP), the putative [[cell (biology)|cellular]] mechanism of [[learning]] and [[memory]], is first observed by [[Terje Lømo]] in [[Oslo]], Norway.
* In or about this year, one person returning to [[Haiti]] from the [[Republic of the Congo|Congo]] is thought to have first brought [[HIV]] to the [[Americas]].<ref>{{cite journal |title=Solved: the mystery of how AIDS left Africa |journal=[[New Scientist]] |date=November 3, 2007 |page=20}}</ref>