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

Other days

youth

Youth Day
first love

First Love Day
prosecco

Prosecco Day
bonang

Bonang Day
ruby

Ruby Day
lisp

Lisp Day
pick me

Pick Me Day
fiancee

Fiancee Day
nail polish

Nail Polish Day
bow tie

Bow Tie Day