1620 The Pilgrims begin coming ashore at Plymouth, Massachusetts.
1861 Congress establishes the Medal of Honor, the highest U.S. military decoration.
1937 Disney's Snow White and the Seven Dwarves, one of the first feature-length animated movies, premieres in Los Angeles.
1968 Apollo 8, the first manned mission to orbit the moon, is launched.
1988 Libyan terrorists explode a bomb aboard Pan Am Flight 103, en route to New York City, when it is over Lockerbie, Scotland, killing 270 people.