Oops, it doesn't look like 'hug camera day' is a national day..

Other days

law

Law Day
cursing

Cursing Day
hoodie

Hoodie Day
fiancee

Fiancee Day
pumpkin

Pumpkin Day
artists

Artists Day
ponytail

Ponytail Day
donate your hair

Donate Your Hair Day
boy friend

Boy Friend Day
camera

Camera Day