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

Other days

buddy

Buddy Day
girl friend

Girl Friend Day
kale

Kale Day
ormille

Ormille Day
pumpkin

Pumpkin Day
bow tie

Bow Tie Day
cuddle up

Cuddle Up Day
artists

Artists Day
self care

Self Care Day
offer

Offer Day