Oops, it doesn't look like 'post your plate day' is a national day..

Other days

ormille

Ormille Day
bow tie

Bow Tie Day
hot chocolate

Hot Chocolate Day
girl friend

Girl Friend Day
ponytail

Ponytail Day
gum

Gum Day
ruby

Ruby Day
frozen yogurt

Frozen Yogurt Day
cursing

Cursing Day
boba

Boba Day