We have 9 holidays listed for December 15.
Ugly Sweater Day
One thing's for sure — this holiday will certainly have you laughing all day long!
Bill of Rights Day
It’s an important day to celebrate America’s Constitution and the framework of society.
International Tea Day
Step aside, coffee and Coca Cola, we drink the most popular beverage in the world today!
National Lemon Cupcake Day
It’s National Lemon Cupcake Day! Show some extra love for this humble but zesty dessert today.