Oops, it doesn't look like 'martin day' is a national day..

Other days

promposal

Promposal Day
gallery

Gallery Day
eat what you want

Eat What You Want Day
ormille

Ormille Day
boy friend

Boy Friend Day
lisp

Lisp Day
donate your hair

Donate Your Hair Day
one

One Day
ride the wind

Ride The Wind Day
ruby

Ruby Day