Editing January 24 (section)

===1901–present===
*[[1908]] &ndash; The first [[Scouting|Boy Scout]] troop is organized in England by [[Robert Baden-Powell]].
*[[1915]] &ndash; [[World War I]]: British [[Grand Fleet]] battle cruisers under Vice-Admiral Sir [[David Beatty, 1st Earl Beatty|David Beatty]] engage Rear-Admiral [[Franz von Hipper]]'s battle cruisers in the [[Battle of Dogger Bank (1915)|Battle of Dogger Bank]].
*[[1916]] &ndash; In ''[[Brushaber v. Union Pacific Railroad Co.]]'', the [[Supreme Court of the United States]] declares the federal [[income tax]] constitutional.
*[[1918]] &ndash; The [[Gregorian calendar]] is introduced in Russia by decree of the [[Council of People's Commissars]] effective [[February 14]] (New Style).
*[[1933]] &ndash; The [[Twentieth Amendment to the United States Constitution|20th Amendment to the United States Constitution]] is ratified, changing the beginning and end of terms for all elected federal offices.
*[[1935]] &ndash; [[Gottfried Krueger Brewing Company]] starts selling the first canned beer.<ref>{{Cite magazine|last=Venton|first=Danielle|title=Jan. 24, 1935: First Canned Beer Sold|language=en-US|magazine=Wired|url=https://www.wired.com/2011/01/0124first-us-canned-beer/|access-date=2022-01-24|issn=1059-1028|archive-date=2017-03-21|archive-url=https://web.archive.org/web/20170321082402/https://www.wired.com/2011/01/0124first-us-canned-beer/|url-status=live}}</ref>
*[[1939]] &ndash; The [[1939 Chillán earthquake|deadliest earthquake in Chilean history]] strikes [[Chillán]], killing approximately 28,000 people.
*[[1942]] &ndash; [[World War II]]: The Allies [[Bombing of Bangkok in World War II|bombard Bangkok]], leading Thailand, then under Japanese control, to declare war against the United States and United Kingdom.
*[[1943]] &ndash; World War II: [[Franklin D. Roosevelt]] and [[Winston Churchill]] conclude a [[Casablanca Conference|conference in Casablanca]].
*[[1946]] &ndash; The [[United Nations General Assembly]] passes its first resolution to establish the [[United Nations Atomic Energy Commission]].
*[[1960]] &ndash; [[Algerian War]]: Some units of European volunteers in [[Algiers]] stage an insurrection known as the "barricades week", during which they seize government buildings and clash with local police.
*[[1961]] &ndash; [[1961 Goldsboro B-52 crash|Goldsboro B-52 crash]]: A bomber carrying two [[Thermonuclear weapon|H-bombs]] breaks up in mid-air over North Carolina. The uranium core of one weapon remains lost.
*[[1966]] &ndash; [[Air India Flight 101]] crashes into [[Mont Blanc]].<ref>{{cite news |author=<!--Staff writer(s)/no by-line.--> |date= |title=1966: 117 die in Air India tragedy |url=http://news.bbc.co.uk/onthisday/hi/dates/stories/january/24/newsid_4056000/4056551.stm |work= |location= |access-date=9 December 2021 |archive-date=23 October 2012 |archive-url=https://web.archive.org/web/20121023230827/http://news.bbc.co.uk/onthisday/hi/dates/stories/january/24/newsid_4056000/4056551.stm |url-status=live }}</ref>
*[[1968]] &ndash; [[Vietnam War]]: The [[1st Australian Task Force]] launches [[Operation Coburg]] against the [[People's Army of Vietnam|North Vietnamese Army]] and [[Viet Cong]] during wider fighting around [[Long Bình, Đồng Nai|Long Bình]] and [[Biên Hòa]].
*[[1972]] &ndash; Japanese Sgt. [[Shoichi Yokoi]] is found hiding in a [[Guam]] jungle, where he had been [[Japanese holdout|since the end of World War II]].
*[[1977]] &ndash; The [[1977 Massacre of Atocha|Atocha massacre occurs in Madrid]] during the Spanish transition to democracy. 
*[[1978]] &ndash; [[Soviet Union|Soviet]] satellite [[Kosmos 954]], with a nuclear reactor on board, burns up in Earth's atmosphere, scattering radioactive debris over Canada's [[Northwest Territories]]. Only 1% is recovered.
*[[1984]] &ndash; [[Apple Computer]] places the [[Macintosh 128K|Macintosh]] [[personal computer]] on sale in the United States.
*[[1986]] &ndash; The [[Voyager 2]] space probe makes its closest approach to [[Uranus]].<ref>{{Cite web|last=Mars|first=Kelli|date=2021-01-21|title=35 Years Ago: Voyager 2 Explores Uranus|url=http://www.nasa.gov/feature/35-years-ago-voyager-2-explores-uranus|access-date=2022-01-24|website=NASA|archive-date=2021-10-23|archive-url=https://web.archive.org/web/20211023112635/https://www.nasa.gov/feature/35-years-ago-voyager-2-explores-uranus/|url-status=live}}</ref>
*[[1987]] &ndash; About 20,000 protestors march in [[1987 Forsyth County protests|a civil rights demonstration]] in [[Forsyth County, Georgia]], United States.<ref>{{Cite news |last=Clendinen |first=Dudley |date=January 25, 1987 |title=Thousands in Civil Rights March Jeered by Crowd in Georgia Town |page=1 |work=[[The New York Times]] |url=https://www.nytimes.com/1987/01/25/us/thousands-in-civil-rights-march-jeered-by-crowd-in-georgia-town.html |url-status=live |url-access=subscription |access-date=December 29, 2022 |archive-url=https://web.archive.org/web/20221126223951/https://www.nytimes.com/1987/01/25/us/thousands-in-civil-rights-march-jeered-by-crowd-in-georgia-town.html |archive-date=November 26, 2022 |issn=0362-4331}}</ref>
*[[1989]] &ndash; Notorious serial killer [[Ted Bundy]], with over 30 known victims, is executed in the electric chair at the [[Florida State Prison]].
*[[1990]] &ndash; Japan launches [[Hiten (spacecraft)|Hiten]], the country's first [[lunar probe]], the first robotic lunar probe since the [[Soviet Union]]'s [[Luna 24]] in 1976, and the first lunar probe launched by a country other than Soviet Union or the United States.
*[[2003]] &ndash; The [[United States Department of Homeland Security]] officially begins operation.
*[[2009]] &ndash; [[Cyclone Klaus]] makes landfall near [[Bordeaux]], France, causing 26 deaths as well as extensive disruptions to public transport and power supplies.
*[[2011]] &ndash; At least 35 are killed and 180 injured in a [[Domodedovo International Airport bombing|bombing]] at Moscow's [[Domodedovo Airport]].
*[[2018]] &ndash; Former doctor [[Larry Nassar]] is sentenced up to 175 years in prison after being found guilty of using his position to [[Larry Nassar sex abuse scandal|sexually abuse female gymnasts]].<ref>{{Cite web|author=Eric Levenson|title=Larry Nassar sentenced to up to 175 years in prison for decades of sexual abuse|url=https://www.cnn.com/2018/01/24/us/larry-nassar-sentencing/index.html|access-date=2022-01-24|website=CNN|date=24 January 2018|archive-date=2022-01-23|archive-url=https://web.archive.org/web/20220123205254/https://www.cnn.com/2018/01/24/us/larry-nassar-sentencing/index.html|url-status=live}}</ref>