The English parliament passed the Act of Supremacy, making King Henry VIII head of the English church.
Radio broadcast of The War of the Worlds, starring Orson Welles, caused nationwide panic among listeners.
Martha Graham's ballet Appalachian Spring, with music by Aaron Copland, premiered.
Gen. George C. Marshall won the Nobel Peace Prize for originating the Marshall Plan.
Muhammad Ali knocked out George Foreman in the eighth round of a 15-round bout in Kinshasa, Zaire ("rumble in the jungle") to regain his world heavyweight title.