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

Other days

pumpkin

Pumpkin Day
camera

Camera Day
frozen yogurt

Frozen Yogurt Day
my little pony

My Little Pony Day
cat girl

Cat Girl Day
pick me

Pick Me Day
boba

Boba Day
stud

Stud Day
donate your hair

Donate Your Hair Day
china

China Day