Bi Visibility Day, also known by other names like Bi Pride Day and International Celebrate Bisexuality Day, has been marked on September 23rd every year since 1999.
The last few years it's really started to take off and more and more LGBT and mainstream organisations have been getting involved.
Please help us give Bi VIsibility Day a kick-start on Twitter this year, with a big splash of tweets in the morning! It'll help get the #BiVisibilityDay and #bisexual tags moving, and help people find resources that can tell them more about September 23 bi visibility events around the world.
If we get at least 100 people to join in, this Thunderclap tweet will go out at 10.30am, London time, on September 23rd.
Bi Visibility Day: