65 The betrayal of the Pisonian Conspiracy against Nero

530 Battle of Callenico: The Persians defeated the Byzantines

1451 Sultan Alam I (Ala-ud-Din Alam Shah) of Delhi (1445-1451) voluntarily abdicates in favor of Bahlul Khan Lodhi (1451-1489)

1587 Frances Drake raids Cadiz

1775 The Battles of Lexington & Concord -- "The Shot Heard 'Round the World"

1782 The Netherlands recognizes the US

1783 Congress orders hostilities with Britain at an end, eight years after "The Shot Heard 'Round the World."

1809 Battle of Teugen: The French defeat the Austrians

1825 Juan Antonio Lavalleja and 32 other exiles land in Uruguay to initiate the war for independence from Brazil

1859 Lombardy-Venetia War: Austria demands that Piedmont disarm.

1861 The Baltimore Riots: Secessionist mobs attack the 6th Mass ( 4 soldiers, c. 12 rioters killed) and Rabbi David Einhorn, who had delivered an anti-slavery sermon

1861 Lincoln orders blockade of Confederate ports

1909 Canonization of Joan of Arc, patron of France, Soldiers, & Women in Military Service

1919 Leslie Irvin of the US makes 1st freefall parachute jump

1928 Japanese troops occupy Shantung Peninsula in China

1936 Anti-Jewish rioting in Palestine

1941 Bulgarian troops occupy Macedonia

1941 US Marines begin construction of an airfield on Wake Island

1941 Nazis initiate milk rationing in the Netherlands

1942 British abandon the oil fields at Yenangyuang, Burma

1943 USS 'Scorpion' (SS-278) initiates mining of Japanese home waters

1943 Warsaw Ghetto Uprising begins; lasts until May 16

1944 Japan reinforces drive against U.S. airbases in China.

1944 New York: Massive rally protesting Nazi genocide.

1945 Italian UDT sink incomplete aircraft carrier 'Aquila', in German hands at Genoa

1945 US offensive opens against the Shuri Line on Okinawa

1948 Chiang Kai-shek elected president of Nationalist China

1959 Abortive uprising at La Paz, Bolivia

1962 NASA pilot Joseph A Walker takes X-15 to 46,900 m

1964 Rightist coup in Laos, Suvanna Phuma remains premier

1989 USS 'Iowa' (BB -61) gun turret explosion, 47 die

1990 Truce ends the Nicaraguan Civil War

1995 Oklahoma City: Self-styled "patriot" kills 168 Americans