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Wikipedia:Selected anniversaries/April 22

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This is an old revision of this page, as edited by Amakuru (talk | contribs) at 10:03, 21 April 2022 (correct "pictured" texts). 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 April 22 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.

April 21 April 23
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Ineligible

Blurb Reason
Earth Day lots of uncited material
1519 – Spanish conquistador Hernán Cortés established a settlement in Mexico, naming it "Villa Rica de la Vera Cruz" ("Rich village of the True Cross"). unreferenced section
1529 – Spain and Portugal signed the Treaty of Zaragoza, defining the areas of their respective influence in Asia. refimprove section
1876 – The Boston Red Caps defeated the Philadelphia Athletics in the first game of baseball's National League. no article on the event in question, and it isn't the primary focus of the target article
1889 – More than 50,000 American settlers rushed to claim (pictured) a piece of the two million acres (8,000 km2) made available in the Unassigned Lands, founding Oklahoma City. Land Rush of 1889 has substantial uncited material and incomplete citations
1915World War I: German forces released 168 tons of chlorine gas at the beginning of the Second Battle of Ypres, causing thousands of casualties among French troops. lead too short
1930 – France, Italy, Japan, the United Kingdom, and the United States signed the London Naval Treaty, regulating submarine warfare and limiting military ship building. refimprove
1998Disney's Animal Kingdom at the Walt Disney World Resort in Florida opened, covering more than 500 acres (2 km2), making it the largest single Disney theme park in the world. expansion
2000 – In response to the rapid late 1990s growth of telecommunications, the United Kingdom enacted the Big Number Change, modifying the telephone numbering plans in various areas across the country. refimprove
2016 – The multilateral Paris Agreement, on climate-change mitigation, adaptation, and finance, was opened for signature. tagged for {update}
Lewis Powell|b|1844 excessive citations
Princess Margaret of Prussia |b|1872 unref'd section
Regine Velasquez |b|1970 TFA for 2022

Eligible

Notes

April 22

Two-cent piece first issued in 1864
Two-cent piece first issued in 1864
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