The exact day of the Christ child's birth has never been pinpointed. Traditions say that it has been celebrated since the year 98 AD. In 137 AD the Bishop of Rome ordered the birthday of the Christ Child celebrated as a solemn feast. In 350 AD another Bishop of Rome, Julius I, choose December 25th as the observance of Christmas.The word “Christmas” translates to “Mass Of Christ”.
Many "christmas traditions" began with the Mesopotamian celebration of New Years. The Mesopotamians believed in many gods, and as their chief god - Marduk. Each year as winter arrived it was believed that Marduk would do battle with the monsters of chaos. To assist Marduk in his struggle the Mesopotamians held a festival for the New Year. This was Zagmuk, the New Year's festival that lasted for 12 days. The Mesopotamian king would return to the temple of Marduk and swear his faithfulness to the god. The traditions called for the king to die at the end of the year and to return with Marduk to battle at his side.