Oops, it doesn't look like 'coming out as bi day' is a national day..

Other days

boy friend

Boy Friend Day

carpenters

Carpenters Day

bubble bath

Bubble Bath Day

pumpkin

Pumpkin Day

girl friend

Girl Friend Day

first love

First Love Day

Emoji Day

gum

Gum Day

youth

Youth Day

tell a fairytale

Tell A Fairytale Day