Most slavs are Eastern Orthodox if i'm correct. American Christmas is Catholic. So two different religions have to different days of holidays, but they are both a branch of Christianity so they have the same holiday and basic beliefs but different days, how they do things etc.
good. I have to travel in Bosnia with parents for New year and christmas ( in Slav countries, that includes bosnia and serbia, christmas is 7th of January ) btw, what's the score between me and rev