Oops, it doesn't look like 'letter of intent early signing day' is a national day..

Other days

ride the wind

Ride The Wind Day

Emoji Day

embarrass your best friend

Embarrass Your Best Friend Day

artists

Artists Day

boy friend

Boy Friend Day

polyamory

Polyamory Day

ruby

Ruby Day

my little pony

My Little Pony Day

ask out your crush

Ask Out Your Crush Day

singles

Singles Day