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

Other days

tulip

Tulip Day
pampering

Pampering Day
artists

Artists Day
brow

Brow Day
youth

Youth Day
cuddle up

Cuddle Up Day
bow tie

Bow Tie Day
stress awareness

Stress Awareness Day
boba

Boba Day
donate your hair

Donate Your Hair Day