Oops, it doesn't look like 'rule that if u r an alumni of school playing in the ncaa tournament you should get a free off day' is a national day..

Other days

Kiss A Ginger Day

Mean Girls Day

Polyamory Day

Bow Tie Day

Donate Your Hair Day

Boyfriend Day

Pumpkin Day

Chocolate Milkshake Day

Fiancee Day

Reading Day