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

Other days

stud

Stud Day
hot chocolate

Hot Chocolate Day
lash

Lash Day
carpenters

Carpenters Day
lumpy rug

Lumpy Rug Day
get funky

Get Funky Day
kiss a ginger

Kiss A Ginger Day
bow tie

Bow Tie Day
pick me

Pick Me Day
believe

Believe Day