It’s not even Jesus’ Birthday. Christians in olden times took this tradition from Nordic people, and used a prominent figure in their mythology to be the architecture for the jolly man we all know.
That’s right kids;
Santa Claus is a Viking. Tell me that ain’t badass? ( ͡° ͜ʖ ͡°)
All the other aspects of the mythology aside, had he really been born, I’m pretty sure that there are tons of clues that point to it being nowhere near Dec 26th when it happened.