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

Other days

law

Law Day
mean girls

Mean Girls Day
cat girl

Cat Girl Day
nae nae

Nae Nae Day
comfy

Comfy Day
cuddle up

Cuddle Up Day
hot chocolate

Hot Chocolate Day
gallery

Gallery Day
kiss a brunette

Kiss A Brunette Day
boba

Boba Day