1808-William Henry Lane ("Juda") perfects the tap dance
1869-Steam power brake patented (George Westinghouse)
1934-4.7 million U.S. families report receiving welfare payments
1941-Russian-Japan no-attack treaty goes into effect
1943-Nazi's discover mass grave of Polish officers near Katyn
1959-Vatican edict forbids Roman Catholics from voting for communists
1961-U.N. General Assembly condemns South Africa for apartheid
1964-Sidney Poitier becomes 1st black man to win Oscar for best actor
1992-Nelson Mandela announces he will seek divorce from Winnie