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

Other days

girl friend

Girl Friend Day
latina equal pay

Latina Equal Pay Day
gum

Gum Day
self care

Self Care Day
kiss a ginger

Kiss A Ginger Day
my little pony

My Little Pony Day
cursing

Cursing Day
bounce

Bounce Day
bow tie

Bow Tie Day
cat girl

Cat Girl Day