We have 21 holidays listed for September 13.
Bald is Beautiful Day
Bald is Beautiful Day celebrates every bald cutie — whether they be young or old.
Defy Superstition Day
Be daring, break all those superstitious beliefs and make your life wonderful.
European Heritage Days
Celebrated all over the continent to mark European unity, and ensure that the past isn’t forgotten.
International Chocolate Day
Ever wondered how chocolate was invented? Well, we’ve got some sweet answers for you!
National Blame Someone Else Day
We’ve all had plenty of practice so it shouldn’t be a wildly daunting task.
National Doodle Day
Check out some National Doodle Day celebration ideas that we're really drawn to.
National Hug Your Boss Day
Let’s appreciate our bosses this September by giving them a good hug.
National Jose Day
Celebrate with Josés around the globe as we mark National José Day in style.
National Juan Day
From Juan Pablo to Juan Jesus, it’s National Juan Day and we couldn’t be more excited.
Pet Birth Defect Awareness Day
Be a more responsible pet owner and give your pet proper treatment and care.