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

Other days

kale

Kale Day
prosecco

Prosecco Day
youth

Youth Day
lumpy rug

Lumpy Rug Day
polyamory

Polyamory Day
bubble bath

Bubble Bath Day
bonang

Bonang Day
blanket fort

Blanket Fort Day
eat what you want

Eat What You Want Day
boba

Boba Day