Then how on Earth have we gone from a once a year Jewish holiday (Passover) to what different denominations do today?
Some stuff a cracker and a sip of wine EVERY service into you, some once a month, others 4 times a year - it's all OVER the place!
The New Testament says that the early church broke bread frequently, at least every Sunday, although there is no direct command on the timing.
But, there is no mention of any Christmas celebration in the New Testament.