Editing April 15 (section)

===1901–present===
*[[1912]] &ndash; The British passenger liner {{RMS|Titanic}} [[Sinking of the RMS Titanic|sinks]] in the [[Atlantic Ocean|North Atlantic]] at 2:20&nbsp;a.m., two hours and forty minutes after hitting an [[iceberg]]. Only 710 of 2,224 passengers and crew on board survive.
*[[1920]] &ndash; Two security guards are murdered during a robbery in [[South Braintree, Massachusetts]]. [[Anarchism|Anarchists]] [[Sacco and Vanzetti]] would be convicted of and executed for the crime, amid much controversy.
*[[1922]] &ndash; U.S. Senator [[John B. Kendrick]] of [[Wyoming]] introduces a resolution calling for an investigation of a secret land deal, which leads to the discovery of the [[Teapot Dome scandal]].
*[[1923]] &ndash; [[Insulin]] becomes generally available for use by people with [[diabetes mellitus|diabetes]].
*  1923   &ndash; Racially motivated [[Nihon Shōgakkō fire]] lit by a serial arsonist kills 10 children in Sacramento, California.<ref name="latimes">{{cite news |id={{ProQuest|161579022}} |title=FIRE FIEND UNMASKED: Lives and Homes Sacrificed; Confession Uncovers Arson Mystery Reaching From Seattle to Mexico; Hatred of Japanese Incites Army Deserter to Burn Church Mission FIRE MURDERS ARE ADMITTED |newspaper=Los Angeles Times |date=17 August 1923 |page=I1 }}</ref>
*[[1936]] &ndash; First day of the [[1936–39 Arab revolt in Palestine|Arab revolt]] in [[Mandatory Palestine]].
*[[1941]] &ndash; In the [[Belfast Blitz]], 200 bombers of the German [[Luftwaffe]] attack [[Belfast]], killing some 1,000 people.
*[[1942]] &ndash; The [[Award of the George Cross to Malta|George Cross is awarded]] "to the island fortress of Malta" by King George VI.
*[[1945]] &ndash; [[Bergen-Belsen concentration camp]] is liberated.
*[[1947]] &ndash; [[Jackie Robinson]] debuts for the [[History of the Brooklyn Dodgers|Brooklyn Dodgers]], breaking [[Baseball color line|baseball's color line]].
*[[1952]] &ndash; First flight of the [[Boeing B-52]] Stratofortress.
*[[1955]] &ndash; [[McDonald's]] restaurant dates its founding to the opening of a franchised restaurant by [[Ray Kroc]], in [[Des Plaines, Illinois]].
*[[1960]] &ndash; At [[Shaw University]] in Raleigh, North Carolina, [[Ella Baker]] leads a conference that results in the creation of the [[Student Nonviolent Coordinating Committee]], one of the principal organizations of the [[civil rights movement]] in the 1960s.
*[[1969]] &ndash; The [[EC-121 shootdown incident]]: [[North Korea]] shoots down a [[United States Navy]] aircraft over the [[Sea of Japan]], killing all 31 on board.
*[[1970]] &ndash; During the [[Cambodian Civil War]], massacre of the [[Vietnamese Cambodians|Vietnamese minority]] results in 800 bodies flowing down the [[Mekong]] river into [[South Vietnam]].
*[[1986]] &ndash; The United States launches [[Operation El Dorado Canyon]], its bombing raids against [[History of Libya under Muammar Gaddafi#Great Socialist People's Libyan Arab Jamahiriya (1977–2012)|Libyan targets]] in response to a [[West Berlin discotheque bombing|discotheque bombing in West Germany]] that killed two U.S. servicemen.
*[[1989]] &ndash; [[Hillsborough disaster]]: A human crush occurs at [[Hillsborough Stadium]], home of [[Sheffield Wednesday F.C.|Sheffield Wednesday]], in the FA Cup Semi-final, resulting in the deaths of 97 [[Liverpool F.C.|Liverpool]] fans.
*  1989   &ndash; Upon [[Hu Yaobang]]'s death, the [[Tiananmen Square protests of 1989]] begin in China.
*[[1994]] &ndash; [[Marrakesh Agreement]] relating to foundation of [[World Trade Organization]] is adopted.
*[[2002]] &ndash; [[Air China Flight 129]] crashes on approach to [[Gimhae International Airport]] in [[Busan]], South Korea, killing 129 people.<ref>{{Cite web|last=Ranter|first=Harro|title=ASN Aircraft accident Boeing 767-2J6ER B-2552 Pusan-Kimhae Airport (PUS)|url=https://aviation-safety.net/database/record.php?id=20020415-0|url-status=live|access-date=2021-03-14|website=aviation-safety.net|publisher=[[Aviation safety Network]]|archive-url=https://web.archive.org/web/20051110094142/http://aviation-safety.net:80/database/record.php?id=20020415-0 |archive-date=2005-11-10 }}</ref>
*[[2013]] &ndash; [[Boston Marathon bombing|Two bombs explode]] near the finish line at the [[2013 Boston Marathon|Boston Marathon]] in [[Boston]], Massachusetts, killing three people and injuring over 500 others.
*  2013   &ndash; [[15 April 2013 Iraq attacks|A wave of bombings]] across Iraq kills at least 75 people.
*[[2014]] &ndash; In the [[2014 Bentiu massacre|worst massacre]] of the [[South Sudanese Civil War]], at least 200 civilians are gunned down after seeking refuge in houses of worship as well as hospitals.
*[[2019]] &ndash; The cathedral of [[Notre-Dame de Paris]] in France is seriously damaged by [[Notre-Dame de Paris fire|a large fire]].<ref>{{cite news|url=https://www.bbc.co.uk/news/world-europe-47941794|title=Notre-Dame: Massive fire ravages Paris cathedral|publisher=BBC News|date=16 April 2019|access-date=16 April 2019}}</ref>
*[[2021]] &ndash; A [[Indianapolis FedEx shooting|mass shooting]] occurred at a [[FedEx Ground|Fedex Ground]] facility in [[Indianapolis]], Indiana, killing nine and injuring seven.<ref>{{Cite web |last1=Neuman |first1=Scott |last2=Jones |first2=Dustin |date=April 16, 2021<!-- 3:22am Eastern Time--> |title=Police ID Suspect And Victims In Shooting Deaths At FedEx Facility In Indianapolis |url=https://www.npr.org/2021/04/16/987929888/ |access-date=February 21, 2023 |website=[[NPR]]}}</ref>