This annual holiday is celebrated every December 25th and marks the birth of Jesus. Christmas is observed throughout the Christian world, but is also celebrated by many non-Christians as a secular festival.

There are many traditional Christmas customs, including church celebrations, gift-giving, Christmas trees and lights, and of course mistletoe. Let's also not forget Santa Claus (also known as Father Christmas).

Tag your festive stories, photos and videos "Christmas" to see them featured here.

Drunk Uncles on Christmas: Ruining or Saving the Holidays?

Twitter Blows Up with 'Drunk Uncle' Christmas Tweets Christmas is a time for family, and that means family drama. Nothing mixes things up like that one uncle who gets wasted at noon and passes out on the stairs (see below). Status updates about (and photos of) drunk uncles...