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

Other days

get funky

Get Funky Day
nae nae

Nae Nae Day
stud

Stud Day
bow tie

Bow Tie Day
brow

Brow Day
kiss a ginger

Kiss A Ginger Day
bubble bath

Bubble Bath Day
china

China Day
cat girl

Cat Girl Day
pampering

Pampering Day