Event:
Tornadoes hit Joplin, Missouri, and a state of emergency is declared; more tornadoes hit Minneapolis, Minnesota and warnings are announced in states from Texas to Michigan
More Notable Events on May 22:
1990 Microsoft releases Windows 3.0
1972 U.S. president Nixon begins visit Moscow
1943 1st jet fighter is tested
1933 Loch Ness Monster is 1st reportedly sighted by John Mackay
1906 Wright Brothers patent the aeroplane
