A marijuana-themed holiday in which stoners get even more stoned on April 20th.

A holiday celebrated on December 1st, in which everyone is encouraged to get AIDS.

A holiday celebrated on April 1st, when people play pranks on everyone. It's annoying as fuck.

A wtf holiday about trees, celebrated on the last Friday in April.

The first day of Lent, in which participants fast for 40 days. It occurs 46 days before Easter Sunday.

A holiday celebrated on January 26th in honor of the 1788 arrival of the Brits.

A holiday of many sales, where people get trampled trying to get the latest value. It is celebrated the day after Thanksgiving.

The night of the dawn of the Jesus Santa God, celebrated on December 25th.

A holiday that mooches off of the real holiday that follows, but doesn't give you any perks, like holiday pay. It's a real asshole.

A Mexican holiday celebrating Mexico's victory against the French in the Battle of Puebla on May 5, 1862. It is celebrated by eating Taco Bell and singing "La Cucaracha".