More than 2000 years ago, a baby was born in a remote corner of the Roman Empire. It was a humble birth in a stable, to parents with no wealth or status. So how did the celebration of this event become the biggest holiday on the Western calendar? Among the questions we'll answer: Why is Christmas on December 25th? How did an ancient bishop from Turkey become Santa Claus? Why do we celebrate with trees, wreaths and stockings? Who started the tradition of Christmas shopping? Filmed in eight different countries, Christmas: The Story Behind the Traditions takes you around the world to discover the history of the holiday, from the birth of Jesus to the modern celebration of Christmas.