This is a list of
selected that appears on the "On this day" section of the Main Page. To suggest a new item, in most cases you can August 21 anniversaries and edit this page. be bold Please read the However, if your addition might be controversial, or on a day that is or soon will be on the Main Page, please post your suggestion on the selected anniversaries guidelines before making your edit. talk page instead.
Please note that the events listed on the Main Page are chosen based more on relative their subjects are. Only 5–6 events are posted at a time and thus not everything that is " article quality and to maintain a mix of topics, not based solely on how important or significant most important and significant" can be listed. In addition, an event is not generally posted this year if it is also the subject of the scheduled August 21, 2018 featured article or the August 21, 2018 featured picture.
To report an error when this appears on the Main Page, see
Main Page errors. Please remember that this list defers to the supporting articles, so it is best to achieve consensus and make any necessary changes there first.
Use only ONE image at a time
The Xa Loi Pagoda, one of the largest Buddhist pagodas in Vietnam
Taos 20pueblo 20c1920 20pc 96dpi.jpg
and Youth Day in Morocco; King Mohammed's Birthday Morocco: refimprove; Mohammed VI: refimprove
in the Philippines Ninoy Aquino Day refimprove
1680 – Several tribes of Pueblo Indians the town of captured Santa Fe in Nuevo México. unreferenced section
1689 – Jacobite risings: Jacobites supporting James VII of Scotland with a regiment of clashed Covenanters supporting William of Orange, in the streets of Dunkeld, Scotland. refimprove
1772 – A bloodless coup d'état led by was completed with the adoption of a new Gustav III Swedish Constitution. unreferenced section
1791 – A slave rebellion erupted in the French colony of Saint-Domingue, starting the . Haitian Revolution refimprove section
1944 – Delegations from Republic of China, the Soviet Union, the United Kingdom, and the United States, met at Dumbarton Oaks in Washington, D.C. the formation of the to discuss United Nations. unreferenced section
1959 – Under the terms of the Hawaii Admission Act and a subsequent plebiscite, the Territory of Hawaii was officially admitted as . the 50th U.S. state refimprove section
1968 – The Prague Spring, a period of political liberalization in Czechoslovakia, abruptly ended after Warsaw Pact troops , killing 72 Czechoslovaks and arresting their leader invaded the country Alexander Dubček. refimprove section
1968 – Private First Class of the James Anderson Jr. U.S. Marine Corps became the first African-American Marine Corps recipient of the Medal of Honor. kind of short
1976 – Axe Murder Incident/Operation Paul Bunyan Featured on
1982 – Lebanese Civil War: The first troops of landed in a multinational force Beirut to oversee the Palestine Liberation Organization withdrawal from Lebanon. unreferenced/refimprove sections
1983 – Philippine opposition leader Benigno Aquino Jr. moments after stepping off a plane at the was assassinated Manila International Airport from his self-imposed exile in the United States. Aquino: unreferenced section; Assassination: unreferenced section, refimprove section
1992 – United States Marshals engaged a fugitive in a shootout at , Ruby Ridge Idaho, beginning a twelve-day siege. refimprove
1831 – Nat Turner in led a slave revolt Southampton County, Virginia, U.S.; it was suppressed about 48 hours later.
1944 – Second World War: A combined Canadian–Polish force the strategically important town of captured Falaise, France, in the final offensive of the Battle of Normandy.
1945 – American physicist accidentally dropped a Harry Daghlian tungsten carbide brick onto a delta phase plutonium bomb core and exposed himself to a lethal dose of neutron radiation, becoming the first known fatality due to a criticality accident 25 days later.
1963 – The Army of the Republic of Vietnam Special Forces raided and vandalised Buddhist pagodas across the country, arresting thousands and leaving hundreds dead.
1969 – An Australian tourist set the in Al-Aqsa Mosque Jerusalem on fire, a major catalyst of the formation of the Organisation of Islamic Cooperation.
1986 – In the , 1,700 people and 3,500 livestock were suffocated by a cloud of Lake Nyos disaster carbon dioxide emitted during a limnic eruption at Lake Nyos in Cameroon.
1993 – NASA lost contact with its spacecraft, three days before Mars Observer orbital insertion.
2013 – Syrian Civil War: Rockets containing sarin the struck opposition-controlled portions of the Ghouta suburbs of Damascus, resulting in at least 281 deaths.
2015 – Passengers in a train heading from Amsterdam to Paris, resulting in no deaths and four injuries, including the attacker himself. subdued an attacker
(d. 1271) Alphonse, Count of Poitiers · (b. 1886) Emily Tinne · (b. 1929) Emma Mashinini