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

Other days

tulip

Tulip Day
first love

First Love Day
tell a fairytale

Tell A Fairytale Day
nae nae

Nae Nae Day
comfy

Comfy Day
brow

Brow Day
emoji

Emoji Day
frozen yogurt

Frozen Yogurt Day
ruby

Ruby Day
mean girls

Mean Girls Day