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This is a list of selected May 12 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.

May 11 May 13
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Ineligible

Blurb Reason
International Nurses Day; refimprove
907Zhu Wen forced Emperor Ai to abdicate, ending the Tang dynasty after nearly three centuries of ruling China. Date not in source and Tang Dynasty article says abdication 1 June
1364 – King Casimir III of Poland issued a royal charter to establish Jagiellonian University, the nation's oldest university. alumni list
1510Zhu Zhifan, the Prince of Anhua (in modern Shaanxi, China), began an unsuccessful rebellion against the reign of the Zhengde Emperor. Six "page range too broad" tags
1551 – The National University of San Marcos, the oldest university in the Americas, was founded in Lima, Peru. refimprove section
1588 – Catholic Parisians under Henry I, Duke of Guise, protested the moderate policies of Henry III of France. Too much uncited for a short article
1865 – In the last major clash of arms of the American Civil War, the Union Army engaged the Confederates along the banks of the Rio Grande east of Brownsville, Texas. refimprove section
1885 – The Provisional Government of Saskatchewan was decisively defeated at the Battle of Batoche, which led to the end of the North-West Rebellion three days later. refimprove section
1926 – The crew of the airship Norge, led by Roald Amundsen, became the first people to make a verified trip to the North Pole. unreferenced section
1926 – The Trades Union Congress, a federation of British trade unions, announced that it would end its week-long general strike "in defence of [coal] miners' wages and hours". needs more footnotes
1942World War II: Soviet forces under Marshal Semyon Timoshenko launched a major offensive in eastern Ukraine, but were encircled and destroyed by German troops two weeks later. non-indept sources, participant memoirs taken as fact
1958 – Canada and the United States signed a formal agreement establishing the North American Air Defense Command to provide aerospace warning and defense for North America. refimprove section
2006 – A cartoon that allegedly compared Iranian Azeris to cockroaches was published in a magazine, sparking riots throughout the country. unreferenced section
2008An earthquake registering approximately 8.0 Ms struck the Chinese province of Sichuan, killing at least 69,000 people, injuring at least 374,000, and leaving at least 4.8 million others homeless. refimprove section
2010 – On arrival at Tripoli International Airport, Afriqiyah Airways Flight 771 crashed into the ground at a speed of 262 kn (485 km/h; 302 mph) and exploded, killing all but one of the 304 people on board. needs rewrite
Murad Mirza |d|1599 date of death not referenced, and I can't find any sources beyond "May 1599"

Eligible

Notes

May 12

B-17 bombers intercepting the Rex
B-17 bombers intercepting the Rex
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