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

Other days

bow tie

Bow Tie Day
kiss a brunette

Kiss A Brunette Day
kiss a ginger

Kiss A Ginger Day
ruby

Ruby Day
prosecco

Prosecco Day
gum

Gum Day
tulip

Tulip Day
coffee

Coffee Day
raise awerness of zeus

Raise Awerness Of Zeus Day
offer

Offer Day