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

Other days

frozen yogurt

Frozen Yogurt Day
pumpkin

Pumpkin Day
boba

Boba Day
ride the wind

Ride The Wind Day
bow tie

Bow Tie Day
cat girl

Cat Girl Day
unicorn

Unicorn Day
believe

Believe Day
first love

First Love Day
tell a fairytale

Tell A Fairytale Day