Oops, it doesn't look like 'legit and not fake heroes day' is a national day..

Other days

hoodie

Hoodie Day
pumpkin

Pumpkin Day
bow tie

Bow Tie Day
self appreciation

Self Appreciation Day
bounce

Bounce Day
gum

Gum Day
blanket fort

Blanket Fort Day
mean girls

Mean Girls Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
chocolate milkshake

Chocolate Milkshake Day