Oops, it doesn't look like 'hero responsible for dis day' is a national day..

Other days

ask out your crush

Ask Out Your Crush Day
me

Me Day
comfy

Comfy Day
bounce

Bounce Day
emoji

Emoji Day
blanket fort

Blanket Fort Day
donate your hair

Donate Your Hair Day
nae nae

Nae Nae Day
lost sock memorial

Lost Sock Memorial Day
kiss a ginger

Kiss A Ginger Day