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

Other days

carpenters

Carpenters Day
lash

Lash Day
polyamory

Polyamory Day
tulip

Tulip Day
lumpy rug

Lumpy Rug Day
stress awareness

Stress Awareness Day
cuddle up

Cuddle Up Day
cursing

Cursing Day
first love

First Love Day
bow tie

Bow Tie Day