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

Other days

carpenters

Carpenters Day
ponytail

Ponytail Day
cuddle up

Cuddle Up Day
ruby

Ruby Day
lumpy rug

Lumpy Rug Day
boy friend

Boy Friend Day
blanket fort

Blanket Fort Day
tulip

Tulip Day
pick me

Pick Me Day
promposal

Promposal Day