Oops, it doesn't look like 'park one should do every day' is a national day..

Other days

nae nae

Nae Nae Day
emoji

Emoji Day
cat girl

Cat Girl Day
first love

First Love Day
gum

Gum Day
hiv awareness

Hiv Awareness Day
bow tie

Bow Tie Day
boy friend

Boy Friend Day
tell a fairytale

Tell A Fairytale Day
coffee

Coffee Day