What i have learned about christmas?

I didn't learn  anything i already could all about Christmas, but one thing its probably a holiday we all celebrate in the class, and one thing more about the santa-claus that he was only a man at first than after him they got him to be called Santa-claus. but nothing more i already know everything from before even that with the cookie and milk and that the celebrate Christmas the 25s december and not 24s.