Today is Monday, the 121st day of 2012. There are 245 days left in the year.

311 ― Emperor Galerius recognizes Christians legally in the Roman Empire

1006 ― Brightest supernova in recorded history is observed

1722 ― The game of Billiards is mentioned in the New England Courant

1772 ― John Clais patents first scale

1789 ― George Washington inaugurated as first president of U.S.

1808 ― First practical typewriter finished by Italian, Pellegrini Turri

1904 ― Ice cream cone makes its debut

1974 ― President Richard Nixon hands over partial transcripts of Watergate tape recordings

1975 ― Last U.S. helicopter leaves U.S. embassy grounds in Vietnam, Saigon surrenders

1978 ― ``Elvis The Legend Lives!" closes at Palace NYC after 101 performances