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

Other days

hannah

Hannah Day
mean girls

Mean Girls Day
nae nae

Nae Nae Day
lost sock memorial

Lost Sock Memorial Day
brow

Brow Day
buddy

Buddy Day
law

Law Day
bubble bath

Bubble Bath Day
blanket fort

Blanket Fort Day
ormille

Ormille Day