Celebrate Bisexuality Day2026 · Date · History · Messages
Boston City Council’s 2025 resolution records the observance as first celebrated on 23 September 1999 and founded by Wendy Curry, Michael Page and Gigi Raven Wilbur; GLAAD’s current community calendar continues to place Celebrate Bisexuality Day on 23 September.
About Celebrate Bisexuality Day
Celebrate Bisexuality Day is observed on September 23 as a bisexual+ visibility and awareness observance. It is also commonly discussed alongside the name Bi Visibility Day.
A City of Boston account of its 2025 recognition identifies Wendy Curry, Michael Page and Gigi Raven Wilbur as the founders and records the first celebration on September 23, 1999.
Why Celebrate Bisexuality Day matters
The observance provides a public point for learning about bisexual+ identities, visibility and experiences.
“Bi+” is used by many organizations as an inclusive umbrella term, but individual people choose their own labels. No observance or conversation should be used to infer, disclose or pressure someone to disclose a sexual orientation.
History of Celebrate Bisexuality Day
The first Celebrate Bisexuality Day is documented as September 23, 1999, during an International Lesbian and Gay Association conference in Johannesburg, South Africa.
Boston’s 2025 municipal recognition names Wendy Curry, Michael Page and Gigi Raven Wilbur as the founders.
GLAAD’s current LGBTQ community calendar lists Celebrate Bisexuality Day on September 23, supporting the continuing date identity.
How the observance developed
This timeline uses documented milestones from reviewed sources. Missing stages are left out rather than guessed.
Wendy Curry, Michael Page and Gigi Raven Wilbur
The City of Boston’s 2025 recognition names the three activists as founders of the annual observance.
First documented observance
The City of Boston’s 2025 recognition records this first celebration.
Recognized September 23, 2025 and summarized the observance’s 1999 origin and founders.
Boston City Council · 2025 resolution recognizing International Celebrate Bisexuality Day and Bi+ Visibility Day
What the evidence establishes
Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.
7 fields not established in reviewed sources
Later institutional actions
Later recognition, renaming, mergers or date changes are kept separate from original establishment.
How to Observe Celebrate Bisexuality Day
Learn from reputable LGBTQ and bisexual+ organizations about the history and terminology associated with the observance.
Use the terms people request for themselves rather than assuming a label from appearance, relationships or participation in an event.
Protect privacy: do not out someone, share personal identity information or tag people in identity-related posts without consent.
Support community events or educational programs when participation is welcome and appropriate.
If you share resources, distinguish sourced history from personal stories and obtain consent before reposting someone else’s experience.
Celebrate Bisexuality Day Facts
Celebrate Bisexuality Day is observed on September 23.
The first celebration is documented in 1999.
Boston’s 2025 recognition names Wendy Curry, Michael Page and Gigi Raven Wilbur as founders.
The first celebration is documented at an international conference in Johannesburg.
The reviewed sources do not establish a single organization as the exclusive current facilitator.
Celebrate Bisexuality Day Messages
Marking Celebrate Bisexuality Day with inclusive language, consent and respect for personal privacy.
Celebrating bisexual+ communities while respecting the labels and boundaries each person chooses for themselves.
Topic and context
What this page does not assume
- Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
- Do not treat the title alone as proof of government recognition or public-holiday status.
- Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
Evidence & sources
Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.
City of Boston — Bisexuality and Bi+ Visibility Day (opens in a new tab)
Municipal Resolution Summary
GLAAD — LGBTQ community calendar (opens in a new tab)
Advocacy Organization
Understand it, compare it, then explore further
Start with the most common factual questions, then compare closely related observances and explore useful connections.
Frequently asked questions
When is Celebrate Bisexuality Day?
23 September annually in the cited GLAAD community calendar The documented recurrence rule is: 23 September.
Does Celebrate Bisexuality Day fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is Celebrate Bisexuality Day an official public holiday?
The reviewed sources verify it within this scope: International bisexual+ community visibility and awareness observance. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.
Who established or recognizes Celebrate Bisexuality Day?
The documented basis is: Boston City Council’s 2025 resolution records the observance as first celebrated on 23 September 1999 and founded by Wendy Curry, Michael Page and Gigi Raven Wilbur; GLAAD’s current community calendar continues to place Celebrate Bisexuality Day on 23 September.. Supporting evidence includes City of Boston — Bisexuality and Bi+ Visibility Day. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is Celebrate Bisexuality Day international or country-specific?
The documented scope is international or global: International bisexual+ community visibility and awareness observance. That does not mean every country treats the date as a public holiday or observes it in the same way.
How is this page verified?
The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-09-30.
When is Celebrate Bisexuality Day?
It is observed on September 23.
When did Celebrate Bisexuality Day begin?
The reviewed institutional sources identify September 23, 1999 as the first celebration.
Who founded the observance?
Boston’s municipal recognition names Wendy Curry, Michael Page and Gigi Raven Wilbur.
Is Celebrate Bisexuality Day the same as Bi Visibility Day?
The names are often used in closely related ways for the September 23 observance. This guide keeps Celebrate Bisexuality Day as its canonical title while acknowledging the widely used visibility wording.
How should I discuss the day respectfully?
Use people’s chosen terms, protect privacy, and never infer or disclose someone’s sexual orientation without their consent.
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International Day of Sign Languages
A/RES/72/161
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