Oops, it doesn't look like 'fight at your school day' is a national day..

Other days

promposal

Promposal Day
lumpy rug

Lumpy Rug Day
gallery

Gallery Day
pick me

Pick Me Day
fiancee

Fiancee Day
china

China Day
bow tie

Bow Tie Day
lash

Lash Day
nae nae

Nae Nae Day
one

One Day