December 7 - Japanese attack Pearl Harbor (1941)
December 9 - Mary Downing Hahn's Birthday (1937)
December 11 - Hanukkah Begins
December 13 - St. Lucia Day in Sweden
December 16 - Ludwig van Beethoven's Birthday (1770)
December 17 - Wright Brothers First Flight Anniversary (1903)
December 21 - First Day of Winter
December 21 - Anniversary of the First Crossword Puzzle (1913)
December 25 - Christmas
December 26 - Kwanzaa
Decemeber 26 - Boxing Day
December 30 - Mercer Mayer's Birthday (1943)