Oops, it doesn't look like 'GirlfriendBoyfriendBest Friend Or Sister day' is a national day..

Other days

law

Law Day
latina equal pay

Latina Equal Pay Day
azonto is acceptable

Azonto Is Acceptable Day
ask out your crush

Ask Out Your Crush Day
camera

Camera Day
first love

First Love Day
gallery

Gallery Day
bow tie

Bow Tie Day
boy friend

Boy Friend Day
donate your hair

Donate Your Hair Day