Oops, it doesn't look like 'championship matches after day' is a national day..

Other days

boy friend

Boy Friend Day
kiss a ginger

Kiss A Ginger Day
embarrass your best friend

Embarrass Your Best Friend Day
ruby

Ruby Day
cuddle up

Cuddle Up Day
frozen yogurt

Frozen Yogurt Day
me

Me Day
chocolate milkshake

Chocolate Milkshake Day
polyamory

Polyamory Day
tell ur crush you like them

Tell Ur Crush You Like Them Day