The 12 days of Christmas run from December 25 to January 5.
Oklahoma only declared Christmas a holiday in 1907. The first state was Alabama in 1836.
Norway donates a Christmas tree to London every year as thanks for assistance during WWII. The tree is put up in Trafalgar Square.
Franklin Pierce is believed to have put up the first White House Christmas tree in the 1850s.
William I (the Conquerer) was crowned on Christmas Day, 1066.
Christmas trees are usually grown for around 15 years before harvesting. Three trees are planted for each one harvested.
Pope Julius I proclaimed Christmas Day to be celebrated on December 25 in 350 A.D.
Jesus was born in a stable because there was no room at a nearby inn.
Because of a 40-year-old advertising campaign in Japan, KFC is a popular spot for people to eat at over Christmas. Customers often have to make their order two months in advance.
Bing Crosby's White Christmas is the best-selling song of all time, selling over 50 million copies.