68 A.D. - Roman Emperor Nero committed suicide.
1064 - Coimbra, Portugal fell to Ferdinand, the King of Castile.
1790 - Civil war broke out in Martinique.
1931 - Robert H. Goddard patented a rocket-fueled aircraft design.
1934 - Donald Duck made his debut in the Silly Symphonies cartoon "The Wise Little Hen."
1940 - Norway surrendered to the Nazis during World War II.
1945 - Japanese Premier Kantaro Suzuki declared that Japan would fight to the last rather than accept unconditional surrender.
1986 - The Rogers Commission released a report on the Challenger disaster. The report explained that the spacecraft blew up as a result of a failure in a solid rocket booster joint.
1999 - NATO and Yugoslavia signed a peace agreement over Kosovo.