December 1
- The movie "Christmas Vacation" was released in theaters (1989)
- The Pennsylvania Trust Company, of Carlisle, PA, became the first bank in the in the U.S. to offer a Christmas Club account (1909)
December 2
- Gene Autry's song "Rudolph, the Red-Nosed Reindeer," hit the record charts (1949)
December 3
- "Do They Know It's Christmas" single written by Bob Geldof and Midge Ure (1984)
December 5
- Was the night (and still in some parts of Europe) when St. Nicholas brought Christmas presents solely for the children.
December 6
- St Nicholas Day (my birthday!)
December 8
- "A Charlie Brown Christmas" premiered on CBS (1965)
December 11
- The movie "The Muppet Christmas Carol" is released (1992)
December 13
December 15
- Beatles release "Christmas Time is Here Again" (1967)
December 16
- "Jingle Bells" was the first song played in space by astronauts Tom Stafford and Wally Schirra on Gemini 6 (1965)
December 18
- Christmas observed in Armenia
- The Nutcracker was first performed at the Mariinsky Theatre in Saint Petersburg (1892)
December 19
- Mrs. Claus first appeared in the short story “A Christmas Legend” written by James Rees (1843)
- Charles Dickens' classic story "A Christmas Carol" is published (1843)
December 22
- The first string of electric lights decorating a Christmas tree was created for his house by Edward H. Johnson (1882)
December 23
- "A Visit From St. Nicholas", also known as" The Night Before Christmas", was published (1823)
December 24
- Franz Gruber of Oberndorf, Germany composed the music for "Silent Night" to words written by Josef Mohr (1818)
- An unofficial ‘ceasefire’ on the Western Front, the “Christmas truce” began between Britain and German armies – WWI (1914)
- For the first time ever, a midnight Mass was broadcast on television. It was held at St. Patrick’s Cathedral in New York City (1948)
- NORAD Tracks Santa for the first time in what will become an annual Christmas Eve tradition (1955)
December 25
- Western Church selects December 25 to celebrate the birth of Jesus Christ (273)
- Christmas first observed as a holiday in England (521)
- Bing Crosby premiered ‘White Christmas’ on his weekly radio show (1941)
December 26
January 6
- Orthodox Christmas and Epiphany for Catholics (the day the Three Wise Men arrive in Bethlehem).
January 6
- Last day of the Christmas season.