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

Other days

latina equal pay

Latina Equal Pay Day
slime

Slime Day
gum

Gum Day
ponytail

Ponytail Day
bow tie

Bow Tie Day
unicorn

Unicorn Day
pampering

Pampering Day
artists

Artists Day
donate your hair

Donate Your Hair Day
hoodie

Hoodie Day