Wikipedia:Selected anniversaries/September 13

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This is a list of selected September 13 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 September 13, 2018 featured article or the September 13, 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.

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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. needs more footnotes; Jutas article is stub
1814War of 1812: Fort McHenry in Baltimore's Inner Harbor was attacked by British forces during the Battle of Baltimore, inspiring Francis Scott Key to write "Defence of Fort McHenry", which later was used as the lyrics to the United States' national anthem. Battle: unreferenced section; Key: refimprove section; Star-Spangled Banner: featured on March 3
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
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: Feast day of Saint John Chrysostom (Western Christianity)

Mount Kenya
Mount Kenya

Michel de Montaigne (d. 1592) · Marguerite LeHand (b. 1896) · Lili Elbe (d. 1931)

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