Wikipedia:Selected anniversaries/August 20

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This is a list of selected August 20 anniversaries that appears on the "On this day" section of the Main Page. To suggest a new item, in most cases you can be bold and edit this page. Please read the selected anniversaries guidelines before making your edit. 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 talk page instead.

Please note that the events listed on the Main Page are chosen based more on relative article quality and to maintain a mix of topics, not based solely on how important or significant their subjects are. Only 5–6 events are posted at a time and thus not everything that is "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 20, 2018 featured article or the August 20, 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.

< August 19 August 21 >

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Blurb Reason
Ghost Festival (Chinese calendar, 2013); refimprove
14 – The adopted son of Roman emperor Augustus Agrippa Postumus, was executed by his guards while in exile under mysterious circumstances. unreferenced section
1794 – American troops defeated the Western Confederacy, a Native American alliance, at the Battle of Fallen Timbers, the decisive battle of the Northwest Indian War. needs more footnotes
1940 – In the midst of the Battle of Britain, British Prime Minister Winston Churchill delivered a speech thanking the Royal Air Force, declaring, "Never was so much owed by so many to so few." refimprove section
1950Korean War: United Nations forces repelled an attempt by North Korea to capture the city of Taegu. refimprove section
1977NASA's Voyager 2 lifted off from Cape Canaveral in Florida, on a mission to explore the outer planets of the Solar System. unreferenced section
1989 – After a collision with a dredger on the River Thames in London, the pleasure boat Marchioness sank in just thirty seconds, killing 51 people. refimprove section
1993Oslo Accords Moved to September 13
1998 – The Supreme Court of Canada delivered its decision in Reference re Secession of Quebec, ruling that Quebec cannot legally secede from Canada without the federal government's approval. refimprove
2008Spanair Flight 5022 crashed just after take off from Madrid's Barajas Airport, killing 154 people. citation needed tags



August 20: Day of Restoration of Independence in Estonia (1991); St. Stephen's Day in Hungary

Yellowstone fires
Yellowstone fires

James Prinsep (b. 1799) · Ron Paul (b. 1935) · Narendra Dabholkar (d. 2013)

More anniversaries: