Editing April 16 (section)

===1901–present===
*[[1908]] &ndash; [[Natural Bridges National Monument]] is established in [[Utah]].
*[[1910]] &ndash; The oldest existing indoor [[ice hockey]] arena still used for the sport in the 21st century, [[Matthews Arena|Boston Arena]], opens for the first time. 
*[[1912]] &ndash; [[Harriet Quimby]] becomes the first woman to fly an [[Aircraft|airplane]] across the [[English Channel]].
*[[1917]] &ndash; [[Russian Revolution]]: [[Vladimir Lenin]] returns to [[Saint Petersburg|Petrograd]], [[Russian Provisional Government|Russia]], from exile in Switzerland.
*[[1919]] &ndash; [[Mahatma Gandhi|Mohandas Gandhi]] organizes a day of "prayer and fasting" in response to the killing of Indian protesters in the [[Jallianwala Bagh massacre]] by the British colonial troops three days earlier.
*  1919 &ndash; [[Polish–Lithuanian War]]: The [[Polish Land Forces|Polish Army]] launches the [[Vilna offensive]] to capture [[Vilnius]] in modern [[Lithuania]].
*[[1922]] &ndash; The [[Treaty of Rapallo (1922)|Treaty of Rapallo]], pursuant to which [[Weimar Republic|Germany]] and the [[Soviet Union]] re-establish [[Diplomacy|diplomatic relations]], is signed.
*[[1925]] &ndash; During the [[Communist]] [[St. Nedelya Church assault|St Nedelya Church assault]] in [[Sofia]], [[Kingdom of Bulgaria|Bulgaria]], 150 are killed and 500 are wounded.
*[[1941]] &ndash; [[World War II]]: The Italian-German ''Tarigo'' convoy is [[Battle of the Tarigo Convoy|attacked and destroyed]] by British ships.
*  1941 &ndash; World War II: The Nazi-affiliated [[Ustaše]] is put in charge of the [[Independent State of Croatia]] by the [[Axis powers]] after [[Invasion of Yugoslavia|Operation 25]] is effected.
*[[1942]] &ndash; King [[George VI]] awarded the [[Award of the George Cross to Malta|George Cross to the people of Malta]] in appreciation of their heroism.<ref>{{cite web|title=The GC Collective Awards |url=http://www.gc-database.co.uk/collective.htm |access-date=22 May 2007 |archive-url=https://web.archive.org/web/20070428221147/http://www.gc-database.co.uk/collective.htm |archive-date=28 April 2007 |url-status=live }}</ref>
*[[1943]] &ndash; [[Albert Hofmann]] accidentally discovers the hallucinogenic effects of the research drug [[LSD]]. He intentionally takes the drug three days later on [[April 19]].
*[[1944]] &ndash; World War II: Allied forces start [[Allied bombing of Yugoslavia in World War II|bombing Belgrade]], killing about 1,100 people. This bombing fell on the Orthodox Christian Easter.
*[[1945]] &ndash; World War II: The [[Red Army]] begins the [[Battle of Berlin|final assault]] on [[Nazi Germany|German]] forces around Berlin, with nearly one million troops fighting in the [[Battle of the Seelow Heights]].
*  1945 &ndash; The [[United States Army]] liberates Nazi ''Sonderlager'' (high security) [[prisoner-of-war camp]] [[Oflag IV-C]] (better known as [[Colditz Castle|Colditz]]).
*  1945 &ndash; More than 7,000 die when the German transport ship ''[[Goya (ship)|Goya]]'' is sunk by a Soviet [[submarine]].
*[[1947]] &ndash; An [[Texas City disaster|explosion]] on board a freighter in port causes the city of [[Texas City, Texas]], United States, to catch fire, killing almost 600 people.<ref>{{Cite web|url=https://www.history.com/this-day-in-history/fertilizer-explosion-kills-581-in-texas|title=Fertilizer explosion kills 581 in Texas|date=July 28, 2019|website=HISTORY|access-date=April 14, 2020}}</ref>
*  1947 &ndash; [[Bernard Baruch]] first applies the term "[[Cold War]]" to describe the relationship between the United States and the [[Soviet Union]].
*[[1948]] &ndash; The [[OECD|Organization of European Economic Co-operation]] is formed.<ref name=":0" />
*[[1961]] &ndash; In a nationally broadcast speech, Cuban leader [[Fidel Castro]] declares that he is a [[Marxism–Leninism|Marxist–Leninist]] and that Cuba is going to adopt [[Communism]].
*[[1963]] &ndash; U.S. civil rights campaigner Dr. [[Martin Luther King Jr.]] writes his open [[letter from Birmingham Jail]], sometimes known as "The Negro Is Your Brother", while incarcerated in [[Birmingham, Alabama]], for protesting against segregation.<ref>{{Cite journal|last=Tiefenbrun|first=Susan|date=1992|title=Semiotics and Martin Luther King's "Letter from Birmingham Jail"|url=https://www.jstor.org/stable/info/10.2307/743322|journal=[[Cardozo Studies in Law and Literature]]|language=en|publisher=[[Taylor & Francis]]|volume=4|issue=2|pages=255–287|doi=10.2307/743322|jstor=743322}}</ref>
*[[1972]] &ndash; [[Apollo program]]: The launch of [[Apollo 16]] from [[Cape Canaveral, Florida]].
*[[2001]] &ndash; India and [[Bangladesh]] begin a [[2001 Bangladesh–India border clashes|five-day border conflict]], but are unable to resolve the disputes about [[Bangladesh–India border|their border]].
*[[2003]] &ndash; The [[Treaty of Accession 2003|Treaty of Accession]] is signed in [[Athens]] admitting ten new member states to the [[European Union]].
*[[2007]] &ndash; [[Virginia Tech shooting]]: [[Seung-Hui Cho]] murders 32 people and injures 17 before committing suicide.
*[[2008]] &ndash; The [[Supreme Court of the United States|U.S. Supreme Court]] rules in the ''[[Baze v. Rees]]'' decision that [[Lethal injection|execution by lethal injection]] does not violate the [[Eighth Amendment to the United States Constitution|Eighth Amendment]] ban against [[cruel and unusual punishment]].<ref>{{Cite web|title=United States: Supreme Court Rules Lethal Injection Cocktail is Constitutional|url=https://www.loc.gov/item/global-legal-monitor/2008-05-02/united-states-supreme-court-rules-lethal-injection-cocktail-is-constitutional/|access-date=2022-01-10|website=Library of Congress}}</ref>
*[[2012]] &ndash; The [[Trial of Anders Behring Breivik|trial]] for [[Anders Behring Breivik]], the perpetrator of the [[2011 Norway attacks]], begins in [[Oslo]], Norway.
*  2012 &ndash; The [[2012 Pulitzer Prize|Pulitzer Prize]] winners were announced, it was the first time [[1977 Pulitzer Prize|since 1977]] that no book won the [[Pulitzer Prize for Fiction|Fiction Prize]].
*[[2013]] &ndash; A 7.8-[[Moment magnitude scale|magnitude]] [[2013 Saravan earthquake|earthquake]] strikes [[Sistan and Baluchestan province]], Iran, killing at least 35 people and injuring 117 others.
*  2013 &ndash; The [[2013 Baga massacre]] is started when [[Boko Haram]] militants engage government soldiers in [[Baga, Borno|Baga]].
*[[2014]] &ndash; The [[South Korea]]n ferry [[MV Sewol|MV ''Sewol'']] [[Sinking of MV Sewol|capsizes and sinks]] near [[Jindo (island)|Jindo Island]], killing 304 passengers and crew and leading to widespread criticism of the South Korean government, media, and shipping authorities.
*[[2016]] &ndash; [[2016 Ecuador earthquake|Ecuador's worst earthquake in nearly 40 years]] kills 676 and injures more than 230,000.<ref>{{cite web|title=Six months report Ecuador: Earthquake|url=http://reliefweb.int/sites/reliefweb.int/files/resources/MDREC0126m.docx.pdf |archive-url=https://ghostarchive.org/archive/20221009/http://reliefweb.int/sites/reliefweb.int/files/resources/MDREC0126m.docx.pdf |archive-date=2022-10-09 |url-status=live|date=November 2016|work=ReliefWeb}}</ref>
*[[2018]] &ndash; ''[[The New York Times]]'' and the ''[[The New Yorker|New Yorker]]'' win the [[Pulitzer Prize for Public Service]] for breaking news of the [[Harvey Weinstein sexual abuse cases|Harvey Weinstein sexual abuse scandal]].<ref>{{Cite web|last=Disis|first=Brian Stelter and Jill|date=2018-04-16|title=New Yorker and New York Times win 2018 Pulitzer for Harvey Weinstein reporting|url=https://money.cnn.com/2018/04/16/media/pulitzer-prizes-2018/index.html|access-date=2022-01-10|publisher=CNN Money}}</ref>
*[[2024]] – The historic [[Børsen]] in [[Copenhagen]], Denmark, is severely damaged by a fire.<ref>{{Cite web |date=2024-04-16 |title=Fire destroys Copenhagen's Old Stock Exchange dating to 1600s, collapsing its dragon-tail spire |url=https://apnews.com/article/copenhagen-fire-spire-stock-exchange-045be0d926a7dd590d4f32e5cea07360 |access-date=2024-04-20 |work=Associated Press News |language=en}}</ref>