http://en.wikipedia.org/wiki/Bisexual_Pride_DayCelebrate Bisexuality Day is observed on September 23 by members of the bisexual community and their supporters. [1][2][3]
This day is a call for bisexual, pansexual, and fluid people and their families, friends and supporters to recognize and celebrate bisexuality, bisexual history, bisexual community and culture, and the bi/pansexual people in their lives.[4][5][6]
Probably first observed in 1999[7][8] (though Bi Net USA claims 1990[9]), Celebrate Bisexuality Day is the brainchild of three United States bisexual rights activists: Wendy Curry of Maine, Michael Page of Florida, and Gigi Raven Wilbur of Texas.[10] Wilbur said,
