In 2010, a goat farmer found that his goats produced more milk when they listened to "All I Want for Christmas is You."
In the song "12 Days of Christmas", the sum of all of the presents equals 364. That's a present every day of the year except for Christmas!
Santa gets lit in Ireland because it's tradition for kids to leave out a pint of Guinness instead of milk and cookies.
KFC is so popular for Christmas dinner in Japan that people have to pre-order their dinners or face long lines to get their chicken.
How the Grinch Stole Christmas has an prequel called Halloween is Grinch Night.