Oops, it doesn't look like 'heroes at mount rushmore independence day' is a national day..

Other days

chocolate milkshake

Chocolate Milkshake Day

tell ur crush you like them

Tell Ur Crush You Like Them Day

prescription drug take back

Prescription Drug Take Back Day

Emoji Day

boy friend

Boy Friend Day

boyfriend

Boyfriend Day

hot chocolate

Hot Chocolate Day

healing

Healing Day

pumpkin

Pumpkin Day

embarrass your best friend

Embarrass Your Best Friend Day