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

Other days

eat what you want

Eat What You Want Day
emoji

Emoji Day
offer

Offer Day
carpenters

Carpenters Day
ponytail

Ponytail Day
kiss a brunette

Kiss A Brunette Day
brow

Brow Day
bow tie

Bow Tie Day
slime

Slime Day
kiss a ginger

Kiss A Ginger Day