Oops, it doesn't look like 'hit on an ugly chick to make her feel hot day' is a national day..

Other days

Fiancee Day

Healing Day

Tell Ur Crush You Like Them Day

Lost Sock Memorial Day

Chocolate Milkshake Day

Eat What You Want Day

Gallery Day

Raise Awerness Of Zeus Day

Prosecco Day

Lumpy Rug Day