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

Other days

bonang

Bonang Day
comfy

Comfy Day
eat what you want

Eat What You Want Day
blanket fort

Blanket Fort Day
first love

First Love Day
bounce

Bounce Day
mean girls

Mean Girls Day
cat girl

Cat Girl Day
pick me

Pick Me Day
book

Book Day