This week in history
April 21st.
Nothing landed on April 21 exactly, but 42 stories fall within the surrounding week and month.
The surrounding week
18 stories within seven days of 21 April
15 April 1989Wikipedia · "Tiananmen Square"Tiananmen Square Pro-Democracy ProtestChina
15 April 1989Steve Daniels · via WikipediaHillsborough Football DisasterUnited Kingdom
15 April 1865Wikipedia · "Assassination of Abraham Lincoln"Lincoln AssassinatedUnited States
16 April 1947Wikipedia · "Texas City disaster"Texas City Industrial DisasterUnited States
17 April 1895Wikipedia · "Treaty of Shimonoseki"Treaty of Shimonoseki: Japan AscendantJapan
18 April 1906Wikipedia · "1906 San Francisco earthquake"San Francisco Earthquake and FireUnited States
19 April 1943Wikipedia · "Warsaw Ghetto Uprising"Warsaw Ghetto UprisingPoland
23 April 1924Wikipedia · "British Empire Exhibition"British Empire Exhibition OpensUnited Kingdom
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24 April 1846Wikipedia · "Mexican–American War"Mexican-American War BeginsUnited States / Mexico
25 April 2023Wikipedia · "Joe Biden"Joe Biden
25 April 1974Wikipedia · "Carnation Revolution"Carnation Revolution PortugalPortugal- 25 April 19451945 San Francisco ConferenceUnited States
25 April 1915Wikipedia · "Gallipoli campaign"Gallipoli Campaign ConcludesTurkey
25 April 1898Wikipedia · "Spanish–American War"Spanish-American War BeginsSpain
27 April 1992Wikipedia · "Breakup of Yugoslavia"Dissolution of Yugoslavia BeginsYugoslavia
27 April 1937Wikipedia · "Bombing of Guernica"Guernica BombingSpain
27 April 1859Wikipedia · "Second Italian War of Independence"Second Italian War of IndependenceItaly
28 April 1925Wikipedia · "International Exhibition of Modern Decorative and Industrial Arts"Exposition Internationale des Arts DécoratifsFrance
Elsewhere in April
16 stories
2 April 1982Wikipedia · "Falkland Islands"Falkland Islands WarUnited Kingdom
4 April 1968Wikipedia · "Assassination of Martin Luther King Jr."Assassination of Martin Luther King Jr.United States
4 April 1291Wikipedia · "Siege of Acre (1291)"Fall of AcrePalestine
5 April 1879Wikipedia · "War of the Pacific"War of the PacificChile
6 April 1992Wikipedia · "Bosnian War"Bosnian War BeginsBosnia and Herzegovina
6 April 1896Wikipedia · "1896 Summer Olympics"1896 Summer Olympic GamesGreece
7 April 1939Wikipedia · "Italian invasion of Albania"Italian Invasion of AlbaniaItaly
7 April 1906Wikipedia · "Algeciras Conference"Treaty of AlgecirasSpain
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11 April 1893Wikipedia · "Belgian general strike of 1893"Belgian General Strike for SuffrageBelgium
12 April 1861"Pocket diary owned by Isaiah Goddard Hacker, a soldier in the Union Army during the American Civil War, 1864 (rbm-hacker-diary-1864~171)" by Fæ is marked with Public Domain Mark 1.0. To view the terms, visit https://creativecommons.org/publicdomain/mark/1.0/.American Civil WarUnited States
13 April 1975Wikipedia · "Lebanese Civil War"Lebanese Civil War BeginsLebanon
13 April 1919Wikipedia · "Jallianwala Bagh massacre"Amritsar Massacre Galvanizes Indian ResistanceIndia
29 April 1992Wikipedia · "1992 Los Angeles riots"1992 Los Angeles RiotsUnited States
30 April 1975"Independence Palace or Reunification Palace" by Clay Gilliland is licensed under CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/.Fall of Saigon & Vietnam War EndsVietnam
30 April 1803Wikipedia · "Louisiana Purchase"Louisiana PurchaseUnited States
30 April 1707Wikipedia · "Acts of Union 1707"Act of Union with ScotlandEngland
Also in April
2 stories we can place in April, but not on a day
