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Wikipedia:Selected anniversaries/May 20

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This is an old revision of this page, as edited by Schwede66 (talk | contribs) at 18:43, 20 May 2022 (Unlink country). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

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This is a list of selected May 20 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 19 May 21
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Ineligible

Blurb Reason
Independence Day in East Timor (2002); lots of CN tags (12)
325 – The First Council of Nicaea, the first ecumenical council of the Christian Church, was formally opened in present-day Iznik, Turkey. refimprove section
1293Sancho IV, King of Castile and León, established what is now the Complutense University of Madrid, today one of Spain's top public universities. unreferenced section
1498 – Portuguese explorer Vasco da Gama arrived at Calicut, India, opening up trade with the Far East directly by sea. appears on February 12
1862 – U.S. president Abraham Lincoln signed the first Homestead Act into law, which gave the right to claim freehold title to about 160 acres (0.65 km2) of undeveloped land in the American West. refimprove section
1902 – Cuba officially gained independence from the United States, with Tomás Estrada Palma becoming its first president. unreferenced section
1941World War II: German paratroopers began the Battle of Heraklion on the island of Crete, capturing the airfield and port in Heraklion ten days later. TFA for 2022
1969Vietnam War: After ten days of battle, U.S. infantry troops captured the strategically insignificant Hill 937, only to abandon it two weeks later. needs more footnotes
1983 – A team of researchers led by French virologist Luc Montagnier published their discovery of HIV, but were not then certain that it caused AIDS. lots of CN tags (11)
2011Mamata Banerjee took office as the Chief Minister of West Bengal, the first woman to hold this post. undue weight

Eligible

Notes

  • Celsius appears on May 19, so Metre Convention should not appear in the same year

May 20: National Day of Remembrance in Cambodia (1976); National Day in Cameroon (1972); National Awakening Day in Indonesia (1908); Sanja Matsuri begins in Tokyo, Japan (2022)

Abdulaziz, also known as Ibn Saud
Abdulaziz, also known as Ibn Saud
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