December 1 - The Pope declares that Catholics are allowed to eat meat on Fridays, except during Lent, 1966.
December 2 - Barney Clark receives the first artificial heart, 1982.
December 3 - The world's largest bar opens,1829.
December 4 - Deely Bobbers become one of the holiday's hottest selling items, 1982.
December 5 - Blue jeans are invented, 1880.
December 6 - In 1983, a world record is set for continuous whistling: 45 hours, 20 minutes.
December 7 - The first instant replay airs during a TV sports event, 1963.
December 8 - Kim Basinger's birthday, 1953.
December 9 - A total lunar eclipse occurs, 1992. (Go moon somebody.)
December 10 - The Mighty Mouse show premiers, 1955.
December 11 - Teenage Mutant Ninja Turtles becomes one of the top money-making movies of 1990.
December 12 - Bob Barker's birthday, 1923.
December 13 - The clip-on tie is invented, 1928.
December 14 - The South Pole is discovered, 1911.
December 15 - Christine Jorgenson becomes the first person in history to have a sex-change operation, 1952.
December 16 - The first color TV program goes on the air,1953.
December 17 - The Wright Brothers make their first flight,1903.
December 18 - Steven Spielberg's birthday, 1947.
December 19 - The "I've-fallen-and-I-can't-get-up" commercial first airs, 1985.
December 20 - Louisiana Purchase Day, 1803.
December 21 - Phil Donahue's birthday, 1935.
December 22 - "Colo" becomes the first gorilla born in captivity, 1956.
December 23 - Congress passes a tax simplification guide which is 1,379 pages in length, 1985.
December 24 - Christmas Eve.
December 25 - Christmas.
December 26 - National "Return-All-Of-Your-Ugly-Christmas-Gifts" day.
December 27 - The last pair of bell-bottoms is sold, Wichita, Kansas, 1981.
December 28 - Snowboarding Championships, White Bluff Mountain, Colorado.
December 29 - The bowling ball is invented, 1862.
December 30 - The leisure suit officially goes out of style, 1976.
December 31 - New Year's Eve.