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

Other days

carpenters

Carpenters Day
kiss a ginger

Kiss A Ginger Day
bow tie

Bow Tie Day
frozen yogurt

Frozen Yogurt Day
offer

Offer Day
cuddle up

Cuddle Up Day
hiv awareness

Hiv Awareness Day
ruby

Ruby Day
camera

Camera Day
coffee

Coffee Day