Wikipedia:Selected anniversaries/December 12

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This is a list of selected December 12 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 December 12, 2019 featured article or the December 12, 2019 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.

< December 11 December 13 >

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Use only ONE image at a time


Blurb Reason
Independence Day in Kenya (1963) multiple issues
1531 – According to traditional Catholic accounts, the image of the Blessed Virgin Mary miraculously appeared imprinted on Juan Diego's tilma. unreferenced section
1862American Civil War: The USS Cairo was sunk in the Yazoo River, the first armored ship sunk by a naval mine. refimprove section
1897Belo Horizonte, the first planned city of Brazil, was inaugurated as Cidade de Minas. refimprove section
1901Guglielmo Marconi received the first transatlantic radio signal, from Poldhu Wireless Station in Cornwall, England, to Signal Hill in St. John's, Newfoundland. refimprove section
1911 – The final Delhi Durbar, a mass assembly at Coronation Park to mark the succession of an Emperor or Empress of India, took place. inappropriate tone
1915 – President Yuan Shikai of the Republic of China reinstated the monarchy and declared himself Emperor. refimprove section
1918 – The Flag of Estonia was raised for the first time atop the Pikk Hermann in Tallinn. refimprove section
1937 – Japanese aircraft attacked and sank the USS Panay while it was anchored in the Yangtze. refimprove section
1956 – The Irish Republican Army began its Border Campaign, a guerrilla campaign to overthrow British rule in Northern Ireland. refimprove section


December 12: Yule Lads begin arrival in Iceland

Chiang Kai-shek
Chiang Kai-shek

Geoffrey (d. 1212) · Stand Watie (b. 1806) · Doris Blackburn (d. 1970)

More anniversaries: