Oops, it doesn't look like 'steel group in third day' is a national day..

Other days

one

One Day
gum

Gum Day
boy friend

Boy Friend Day
self care

Self Care Day
donate your hair

Donate Your Hair Day
buddy

Buddy Day
me

Me Day
cuddle up

Cuddle Up Day
aloxolt

Aloxolt Day
lisp

Lisp Day