There is even a trend, as illustrated by this on-line card from the TV show NCIS ...
Mind you,"holidays" are, of course, "holy days", so the hint is still there. This year's "Advent calendar" will look at what is traditional as a reason for the season; and what might make a real and lasting difference to peoples' lives.
One thing is without debate. It is highly unlikely that Jeshua Ben Yusuf (Jesus the son of Joseph) was born on 25th December.
The first recorded date of Christmas being celebrated on December 25th was in 336, during the time of the Roman Emperor Constantine (he was the first Christian Roman Emperor). A few years later, Pope Julius I officially declared that the birth of Jesus would be celebrated on the 25th December.
Why 25th December? It was chosen to match an existing midwinter knees-up centred on the winter solstice.
Which leads us to man with a long cloak and a beard.
What God requires of us is this: to do what is just, to show constant love, and to live in humble fellowship with our God.