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

Other days

law

Law Day
cat girl

Cat Girl Day
pick me

Pick Me Day
bow tie

Bow Tie Day
nae nae

Nae Nae Day
hannah

Hannah Day
stud

Stud Day
ponytail

Ponytail Day
brow

Brow Day
martini

Martini Day