Oops, it doesn't look like 'fresh breathe day' is a national day..

Other days

bounce

Bounce Day
gum

Gum Day
boy friend

Boy Friend Day
buddy

Buddy Day
frozen yogurt

Frozen Yogurt Day
special education

Special Education Day
carpenters

Carpenters Day
ormille

Ormille Day
martini

Martini Day
boba

Boba Day