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

Other days

pick me

Pick Me Day
china

China Day
frozen yogurt

Frozen Yogurt Day
kale

Kale Day
blanket fort

Blanket Fort Day
nae nae

Nae Nae Day
tell a fairytale

Tell A Fairytale Day
get funky

Get Funky Day
ruby

Ruby Day
book

Book Day