The word "mistletoe" actually means "dung wig" in ancient languages. Let that sink in next time you're going in for a kiss.
Reindeer have specialized noses that warms the cold air before it gets to their lungs. So under a thermal camera, Rudolph's nose is really red.
Irving Berlin who penned "White Christmas" was Jewish. He wrote a Christmas classic but never had to fuss with tinsel and mistletoe.