Oops, it doesn't look like 'sorrow every damn day' is a national day..

Other days

ormille

Ormille Day
aloxolt

Aloxolt Day
one

One Day
bubble bath

Bubble Bath Day
boyfriend

Boyfriend Day
pick me

Pick Me Day
ride the wind

Ride The Wind Day
boy friend

Boy Friend Day
slime

Slime Day
gum

Gum Day