Wikipedia:Selected anniversaries/September 13

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This is a list of selected September 13 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.

September 12 September 14
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Blurb Reason
509 BC – The Temple of Jupiter Optimus Maximus on the Capitoline Hill, the most important temple in Ancient Rome, was dedicated. unreferenced section
533Belisarius and his legions defeated Gelimer and the Vandals at the Battle of Ad Decimum near Carthage, and began the "Reconquest of the West" under Eastern Roman Emperor Justinian I. needs more footnotes
1229Ögedei Khan, the third son of Genghis Khan, was proclaimed Khagan of the Mongol Empire. unreferenced section
1437 – A Portuguese expeditionary force led by Henry the Navigator began an ultimately unsuccessful siege of Tangiers. unreferenced section
1808Finnish War: Swedish forces under Lieutenant General Georg Carl von Döbeln defeated the Russians at the Battle of Jutas. Georg: refimprove; Jutas: stub
1847Mexican–American War: Six teenagers known as Los Niños Héroes fought to their death defending the military academy at Castillo de Chapultepec in Mexico City during the Battle of Chapultepec. unreferenced section
1882 – The British Army overwhelmingly defeated the forces of the Ahmed ‘Urabi to end the Anglo-Egyptian War. refimprove section
1956IBM unveiled the 305 RAMAC (Random Access Method of Accounting and Control), the first commercial computer that used magnetic disk storage. refimprove section
1971 – Following a failed coup attempt, Mao Zedong's second-in-command Lin Biao died in a plane crash while attempting to flee the People's Republic of China. single source section
1987 – A radioactive item was scavenged from an abandoned hospital in Goiânia, Brazil, leading to the deaths of four and serious contamination in 249 others. refimprove section
1993 – After rounds of secret negotiations in Norway, PLO leader Yasser Arafat and Israeli Prime Minister Yitzhak Rabin formally signed the Oslo Peace Accords. refimprove section
2006Kimveer Gill shot 19 people for unknown reasons, killing one, at Dawson College in Montreal. refimprove section



September 13: Mid-Autumn Festival (traditional Chinese, 2019); Feast day of Saint John Chrysostom (Western Christianity); Friday the 13th

Mount Kenya
Mount Kenya

Kavad I (d. 531) · Clara Schumann (b. 1819) · Fiona Apple (b. 1977)

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