Oops, it doesn't look like 'Championship Game On The Same day' is a national day..

Other days

bow tie

Bow Tie Day
emoji

Emoji Day
kiss a ginger

Kiss A Ginger Day
me

Me Day
artists

Artists Day
self care

Self Care Day
stud

Stud Day
bubble bath

Bubble Bath Day
nae nae

Nae Nae Day
offer

Offer Day