Oops, it doesn't look like 'hero and one day' is a national day..

Other days

offer

Offer Day
lisp

Lisp Day
nae nae

Nae Nae Day
tulip

Tulip Day
ruby

Ruby Day
brow

Brow Day
kiss a ginger

Kiss A Ginger Day
prosecco

Prosecco Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
healing

Healing Day