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

Other days

kale

Kale Day
ask out your crush

Ask Out Your Crush Day
blanket fort

Blanket Fort Day
boba

Boba Day
buddy

Buddy Day
fiancee

Fiancee Day
ormille

Ormille Day
me

Me Day
pick me

Pick Me Day
cursing

Cursing Day