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

Other days

one

One Day
bow tie

Bow Tie Day
lash

Lash Day
ruby

Ruby Day
mean girls

Mean Girls Day
nae nae

Nae Nae Day
martini

Martini Day
comfy

Comfy Day
book

Book Day
promposal

Promposal Day