Oops, it doesn't look like 'butthead day' is a national day..

Other days

tell ur crush you like them

Tell Ur Crush You Like Them Day
china

China Day
prosecco

Prosecco Day
pick me

Pick Me Day
buddy

Buddy Day
hannah

Hannah Day
reading

Reading Day
brow

Brow Day
ride the wind

Ride The Wind Day
camera

Camera Day