Christmastide, Christmastime, Dec 25, Noel, Xmas, Yule, Yuletide.
Another name for a christmas song is a Christmas carol.
Christmas
Victorian Christmas
You may be referring to a "Christmas play" or a "Christmas pageant".
Yule
Noel
What Child is This
X-mass tree.
osama bin laden
O Christmas Tree
nativity scene
Figgy Pudding