December 5 – International Volunteer Day

December 6 – Last day of Hanukkah

December 12 – Gingerbread House Day

December 18 – National Twin Day

December 21 – National Crossword Puzzle Day

December 22 – National Cookie Exchange Day

December 25 – Christmas

December 26 – Kwanzaa

December 30 – National Bacon Day

December 31 – New Year’s Eve