Wikipedia:Selected anniversaries/August 20
This is a list of selected August 20 anniversaries that appear in 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 will soon 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 four to five events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is generally not posted this year if it is also the subject of the scheduled featured article or picture of the day.
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.
Images
Use only ONE image at a time
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"Anonymous" seal of Simeon I
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Pyotr Ilyich Tchaikovsky
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Pyotr Ilyich Tchaikovsky
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Statue of St. Stephen of Hungary
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A bus on a track on the O-Bahn Busway
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Voyager Spacecraft
Ineligible
Blurb | Reason |
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Ghost Festival (Chinese calendar, 2013); | refimprove |
Western Confederacy, a Native American alliance, at the Battle of Fallen Timbers, the decisive battle of the Northwest Indian War .
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needs more footnotes |
Cape Canaveral in Florida, on a mission to explore the outer planets of the Solar System .
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unreferenced section |
1993 – Oslo Accords | Moved to September 13 |
without the federal government's approval. | Tagged with {{ refimprove }}
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a missile attack launched by the United States in retaliation for the August 7 U.S. embassy bombings .
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currently undergoing major revision |
Eligible
- Battle of Yarmouk, marking the first great wave of Muslim conquests after the death of Muhammad.
- Ming Dynasty.
- 1710 – War of the Spanish Succession: The Spanish-Bourbon army commanded by the Marquis de Bay was soundly defeated by a multinational army led by the Austrian commander Guido Starhemberg.
- Cathedral of Christ the Saviour in Moscow.
- Taegu.
- 1962 – NS Savannah, the first nuclear-powered cargo-passenger ship, underwent her maiden voyage.
- 1988 – Fires in the United States' Yellowstone National Park destroyed more than 150,000 acres (610 km2), the single-worst day of the conflagration.
- 1989 – The final stage of the O-Bahn Busway in Adelaide, South Australia, was completed, becoming the world's longest and fastest guided busway with buses travelling a total of 12 km (7.5 mi) at maximum speeds up to 100 km/h (62 mph).
- pleasure boat Marchioness sankin just thirty seconds, killing 51 people.
- 1991 – At the conclusion of the Singing Revolution, Estonia declared its independence from the Soviet Union.
- Barajas Airport, killing 154 people.
August 20: Day of Restoration of Independence in Estonia (1991); St. Stephen's Day in Hungary
- Byzantine–Bulgarian Wars: Bulgarians led by Tsar Simeon I drove the Byzantines out of Thrace with a decisive victory in the Battle of Achelous(pictured).
- 1707 – The first Siege of Pensacola came to an end with the British abandoning their attempt to capture Pensacola in Spanish Florida.
- 1910 – Hurricane-force winds combined hundreds of small fires in the U.S. states of Washington and Idaho into the Devil's Broom fire, which burned about three million acres (12,140 km²), the largest fire in recorded U.S. history.
- 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."
- 1988 – The Troubles: The Provisional Irish Republican Army bombed a bus carrying British Army soldiers in Northern Ireland, killing eight of them and wounding another 28.