0193 - The Roman Emperor, Marcus Didius, was murdered in his palace.
1533 - Anne Boleyn, Henry VIII’s new queen, was crowned.
1861 - The first skirmish of the U.S. Civil War took place.
1915 - Germany conducted the first zeppelin air raid over England.
1938 - Superman, the world's first super hero, appeared in the first issue of Action Comics.
1941 - The German Army completed the capture of Crete as the Allied evacuation ended.
1943 - During World War II, Germans shot down a civilian flight from Lisbon to London.
1944 - The French resistance was warned by a coded message from the British that the D-Day invasion was imminent.
1968 - Helen Keller died. She had been deaf and blind since the age of 18 months.
1970 - Zimbabwe came into existence. It was formerly known as Rhodesia.
2008 - The Phoenix Mars Lander became the first NASA spacecraft to scoop Martian soil.