Oops, it doesn't look like 'air max timbs day' is a national day..

Other days

cat girl

Cat Girl Day
camera

Camera Day
fiancee

Fiancee Day
bounce

Bounce Day
mean girls

Mean Girls Day
lumpy rug

Lumpy Rug Day
boy friend

Boy Friend Day
coffee

Coffee Day
ride the wind

Ride The Wind Day
slime

Slime Day