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

Other days

frozen yogurt

Frozen Yogurt Day
bounce

Bounce Day
tell a fairytale

Tell A Fairytale Day
pumpkin

Pumpkin Day
hoodie

Hoodie Day
buddy

Buddy Day
blanket fort

Blanket Fort Day
bow tie

Bow Tie Day
healing

Healing Day
cuddle up

Cuddle Up Day