Wikipedia:Selected anniversaries/May 22
This is a list of selected May 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.
May 22: Unity Day in Yemen (1990); World Biodiversity Day
- 1809 – War of the Fifth Coalition: Austrian forces under Archduke Charles prevented Napoleon I and his French troops from crossing the Danube near Vienna at the Battle of Aspern-Essling.
- 1826 – HMS Beagle departed on its first voyage from Plymouth for a hydrographic survey of the Patagonia and Tierra del Fuego regions of South America.
- 1960 – The Great Chilean Earthquake, measuring 9.5 Mw, devastated Valdivia, Chile, and generated destructive tsunamis that reached Hawaii the following day.
- 1964 – During a speech at the University of Michigan, U.S. President Lyndon B. Johnson (pictured) presented the goals of his Great Society domestic social reforms to eliminate poverty and racial injustice.
- 1972 – Ceylon changed its name to Sri Lanka, adopted a new constitution, and officially became a republic.
- 1980 – Pac-Man, an arcade game that became virtually synonymous with video games and an icon of 1980s popular culture, made its debut in Japan.