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

Other days

believe

Believe Day
tulip

Tulip Day
boy friend

Boy Friend Day
singles

Singles Day
chocolate milkshake

Chocolate Milkshake Day
lash

Lash Day
one

One Day
ask out your crush

Ask Out Your Crush Day
ormille

Ormille Day
ruby

Ruby Day