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

Other days

ruby

Ruby Day
china

China Day
camera

Camera Day
one

One Day
azonto is acceptable

Azonto Is Acceptable Day
slime

Slime Day
bow tie

Bow Tie Day
promposal

Promposal Day
latina equal pay

Latina Equal Pay Day
bubble bath

Bubble Bath Day