Oops, it doesn't look like 'Senior Break Up With Underclassmen day' is a national day..

Other days

Appreciate Yaself A Lil Extra Day

Embarrass Your Best Friend Day

Raise Awerness Of Zeus Day

Boyfriend Day

Chocolate Milkshake Day

Ormille Day

Kale Day

Lost Sock Memorial Day

Cuddle Up Day

My Little Pony Day