Editing 2011 (section)

===May===
<!-- Note that, although the death was on May 2 (Pakistani time, UTC+6), the announcement was on May 1 (EDT, UTC−4) -->
* [[May 1]] &ndash; U.S. President [[Barack Obama]] announces that [[Osama bin Laden]], the founder and leader of the militant group [[Al-Qaeda]], was [[Killing of Osama bin Laden|killed]] on May 2, 2011 ([[Pakistan Standard Time|PKT]], [[UTC+05]]) during an American military operation in [[Pakistan]].<ref>{{cite news |last1=Goldman |first1=Adam |last2=Brummitt |first2=Chris |url=https://news.yahoo.com/s/ap/20110502/ap_on_re_us/us_bin_laden |title=Bin Laden's demise: Long pursuit, burst of gunfire |agency=Associated Press |date=May 2, 2011 |access-date=May 16, 2011 |archive-url=https://web.archive.org/web/20110513040530/http://news.yahoo.com/s/ap/20110502/ap_on_re_us/us_bin_laden |archive-date=May 13, 2011 |url-status=dead  }}</ref>
* [[May 5]] &ndash; In [[Brazil]], the [[Supreme Federal Court]] approves [[Same-sex marriage in Brazil|same-sex marriage]].
* [[May 10]]–[[May 14|14]] – The [[Eurovision Song Contest 2011]] takes place in [[Düsseldorf]], [[Germany]], and is won by [[Azerbaijan in the Eurovision Song Contest|Azeri]] entrants [[Ell & Nikki]] with the song "[[Running Scared (Ell & Nikki song)|Running Scared]]".
* [[May 11]] – A [[2011 Lorca earthquake|5.1 earthquake]] strikes southern [[Spain]], killing 9 people and injuring over 400.
* [[May 16]] &ndash; The European Union agrees to a €78&nbsp;billion rescue deal for Portugal. The bailout loan will be equally split between the [[European Financial Stabilisation Mechanism]], the [[European Financial Stability Facility]], and the [[International Monetary Fund]].<ref>{{cite news | url=https://www.bbc.co.uk/news/business-13408497 | title=Portugal's 78bn euro bail-out is formally approved | work=BBC Business News | date=May 16, 2011 | access-date=November 13, 2011 | archive-date=May 18, 2011 | archive-url=https://web.archive.org/web/20110518135513/http://www.bbc.co.uk/news/business-13408497 | url-status=live }}</ref> 
* [[May 18]] – [[FC Porto|Porto]] beats [[S.C. Braga|Braga]] 1–0 in the [[2010–11 UEFA Europa League|2011 UEFA Europa League]] [[2011 UEFA Europa League final|final]] at the [[Aviva Stadium]].
* [[May 21]] &ndash; [[Grímsvötn]], Iceland's most active volcano, erupts and causes disruption to air travel in Northwestern Europe.<ref>{{cite web|url=http://www.flightglobal.com/articles/2011/05/26/357246/european-proceedures-cope-with-new-ash-cloud.html|title=European proceedures (sic) cope with new ash cloud|date=May 26, 2011|work=Flightglobal|author=David Learmount|archive-url=https://web.archive.org/web/20150703022217/http://www.flightglobal.com/news/articles/european-proceedures-cope-with-new-ash-cloud-357246/|archive-date=July 3, 2015|url-status=dead|access-date=September 28, 2015}}</ref>
* [[May 22]] &ndash; The [[2011 Joplin tornado]], an EF5 [[tornado]], strikes [[Joplin, Missouri]], killing 158 people and injuring 1,150.
* [[May 24]] &ndash; The [[2011 El Reno–Piedmont tornado]], an EF5 [[tornado]], strikes [[El Reno, Oklahoma|El Reno]] and [[Piedmont, Oklahoma]], killing 9 people and injuring 181.
* [[May 26]] &ndash; Former [[Bosnia]]n [[Serb]] Army commander [[Ratko Mladić]], wanted for genocide, war crimes and crimes against humanity, is arrested in [[Serbia]].<ref>{{cite web|author=Interpol |url=http://www.interpol.int/public/Data/Wanted/Notices/Data/1995/54/1995_47754.asp |archive-url=http://arquivo.pt/wayback/20090704041327/http://www.interpol.int/Public/Data/Wanted/Notices/Data/1995/54/1995_47754.asp |url-status=dead |archive-date=2009-07-04 |title=Interpol: Wanted MLADIC, Ratko |publisher=Interpol.int |access-date=2011-05-26}}</ref><ref>{{cite news|url=https://www.telegraph.co.uk/news/worldnews/europe/serbia/8537878/Ratko-Mladic-war-crimes-fugitive-arrested-in-Serbia.html |archive-url=https://ghostarchive.org/archive/20220111/https://www.telegraph.co.uk/news/worldnews/europe/serbia/8537878/Ratko-Mladic-war-crimes-fugitive-arrested-in-Serbia.html |archive-date=January 11, 2022 |url-access=subscription |url-status=live|title=Ratko Mladic: war crimes fugitive 'arrested in Serbia'|last=Wardrop|first=Murray|date=May 26, 2011|work=[[The Daily Telegraph]]|access-date=May 26, 2011|location=London}}{{cbignore}}</ref>
* [[May 28]] – [[FC Barcelona|Barcelona]] beats [[Manchester United F.C.|Manchester United]] 3–1 in the [[2010–11 UEFA Champions League|2011 UEFA Champions League]] [[2011 UEFA Champions League final|final]] at the [[Wembley Stadium]].