Wikipedia:Selected anniversaries/May 12
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, featured list 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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George VI of the United Kingdom -
Coat of Arms of the National University of San Marcos
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NORAD -
Z3 computer (replica) -
Konrad Zuse in 1992 (requires undeletion)
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Konrad Zuse in 1992 -
Muhammad III as-Sadiq, the Bey of Tunis -
Semyon Timoshenko
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Roald Amundsen's airship Norge -
SS Mayaguez under attack -
The Duke of Guise during the Day of the Barricades
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Ineligible
| Blurb | Reason |
|---|---|
| International Nurses Day; | refimprove |
| 1364 – King of Poland Casimir III issued a royal charter to establish Jagiellonian University, the nation's oldest university. | refimprove section |
| 1551 – The National University of San Marcos, the oldest university in the Americas, was founded in Lima, Peru. | refimprove section |
| 1885 – North-West Rebellion: Louis Riel and the Métis rebels were decisively defeated by Canadian forces under Major-General Frederick Middleton in Batoche, Saskatchewan. | Saved for November 16 |
| 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 |
| 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 |
Eligible
- 1510 – Zhu Zhifan, the Prince of Anhua (in modern Shaanxi, China), began an unsuccessful revolt against the reign of the Zhengde Emperor.
- 1588 – An apparently spontaneous public uprising arose in staunchly Catholic Paris against the moderate policies of Henry III.
- 1846 – Led by George Donner, the American pioneer group known as the Donner Party, which became known for resorting to cannibalism when they became trapped in the Sierra Nevadas, left Independence, Missouri, for California.
- 1863 – American Civil War: The Confederates were routed in the Battle of Raymond, a small battle that had an inordinately large impact on the Vicksburg Campaign.
- 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.
- 1926 – The crew of the airship Norge, led by Roald Amundsen, became the first people to make a verified trip to the North Pole.
- 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".
- 1941 – German engineer Konrad Zuse presented the Z3, the world's first working programmable, fully automatic computer, to an audience of scientists in Berlin.
- 1955 – The Allied occupation of Austria came to an end, with the nation regaining its independence ten years after the end of World War II.
- 1968 – The 1st Australian Task Force began the defence of Fire Support Base Coral in the largest unit-level action of the Vietnam War for the Australian Army.
- 1975 – The Cambodian navy seized the American container ship SS Mayaguez in recognized international waters that were claimed as territorial waters by Cambodia.
- 1998 – Four students were shot and killed at Trisakti University in Indonesia, leading to widespread riots and eventually the fall of Suharto.
- 2006 – A cartoon that allegedly compared Iranian Azeris to cockroaches was published in an Iranian magazine, sparking riots throughout the country.
- 2008 – In Postville, Iowa, U.S. Immigration and Customs Enforcement conducted the largest-ever raid of a workplace and arrested nearly 400 immigrants for identity theft and document fraud.
- 2008 – An earthquake measuring about 8.0 Ms struck the Sichuan province of China, killing at least 69,000 people, injuring at least 374,000, and leaving at least 4.8 million others homeless.
May 12: Birth of Muhammad al-Mahdi (Shia Islam, 2017)
- 907 – Zhu Wen forced Emperor Ai into abdicating, ending the Tang dynasty after nearly three hundred years of rule.
- 1881 – Under the threat of invasion, the Bey of Tunis Muhammad III as-Sadiq signed the Treaty of Bardo to make Tunisia a French protectorate.
- 1942 – World War II: Soviet forces under Marshal Semyon Timoshenko launched a major offensive in eastern Ukraine, only to be encircled and destroyed by German troops two weeks later.
- 1967 – The Jimi Hendrix Experience released the critically-acclaimed and widely influential debut album Are You Experienced.
- 1982 – The Coppergate Helmet (pictured), the best preserved of the six known Anglo-Saxon helmets, was discovered.
Lady Grange (d. 1745) · Katharine Hepburn (b. 1907) · Alexander Esenin-Volpin (b. 1924)