Wikipedia:Selected anniversaries/May 22
On May 22: Unification Day observed in Yemen (1990).
- 1176 - The Hashshashin (Assassins) attempted to murder Saladin near Aleppo.
- 1455 - Richard, Duke of York defeated and captured King Henry VI of England in the Battle of St Albans.
- 1807 - A grand jury indicted former Vice President of the United States Aaron Burr for treason.
- 1968 - The nuclear-powered submarine USS Scorpion sank with all hands.
- 2002 - Chandra Levy's remains were found in Washington, DC.