- A
- A-spec
- ACT UP
- Abroromantic
- Abrosexual
- Achillean
- Affix
- Agender
- Aleshia Brevard
- Alfred Kinsey
- Allo
- Alloromantic
- Allosexual
- Ally
- Andro
- Androgyne
- Androgynous
- Androsexual
- Anna Rüling
- Annual Reminder
- Aplatonic
- Aporagender
- Aromantic
- Aromantic-spectrum Union for Recognition, Education, and Advocacy
- Aromantic asexual
- Aromantic spectrum
- Asexual
- Asexual spectrum
- BOP
- Ballroom culture
- Bear
- Bert Errol
- Bi
- Bigender
- Biromantic
- Birth assignment
- Bisexual
- Boi
- Book ban
- Butch
- COC Nederland
- Censorship
- Ceteroromantic
- Ceterosexual
- Christine Jorgensen
- Cisgender
- Cisgender heterosexual
- Compton's Cafeteria riot
- Compulsory heterosexuality
- Culture-specific identity
- DOB
- Daughters of Bilitis
- Deadnaming
- Defense of Marriage Act
- Demi
- Demigender
- Demiromantic
- Demisexual
- Diamoric
- Don't Say Gay
- Don't Say Gay/Florida
- Drag
- Dykes on Bikes
- Emerging terminology
- Endosex
- Equality Act
- Equality Act 2010
- Feminine
- Femme
- Flawless Sabrina
- Fluid
- Flux
- GLAAD
- Gay
- Gay men
- Gender
- Gender binary
- Gender dysphoria
- Gender essentialism
- Gender expression
- Gender identity
- Gender in Bugis society
- Gender neutral
- Gender non-conforming
- Gender presentation
- Gender spectrum
- Genderfluid
- Genderflux
- Genderfuck
- Genderqueer
- Gladys Bentley
- Gray
- Gray-asexual
- Graygender
- Gross indecency
- Gyne
- Gynesexual
- HIV/AIDS pandemic
- Hetero
- Heterosexual
- Hijra
- Homo
- Homophobia
- Human Rights Campaign
- Identity diagrams
- Intergender
- Intersex
- Jack Brown
- Karl Heinrich Ulrichs
- LGBTQIA+
- LGBTQIA+ Wiki
- LGBTQIA+ history
- LGBTQIA+ tropes in media
- Lambda Legal
- Lambda Literary
- Lavender Menace
- Lawrence v. Texas
- Lesbian
- Lesbian Herstory Archives
- Lesbian history during the Nazi regime
- Lesbian pulp fiction
- Lesbians in media
- Lili Elbe
- M-spec
- MOGAI
- Marsha P. Johnson
- Masculine
- Maverique
- Microlabel
- Minus18
- Misgendering
- Monosexual
- Multi
- Multigender
- Multisexual
- Multisexual spectrum
- Neurogender
- Neutrois
- Nico Engelschman
- Non-binary
- Norm
- Obergefell v. Hodges
- Omni
- Omniromantic
- Omnisexual
- PFLAG
- Pan
- Pangender
- Panromantic
- Pansexual
- Paragraph 175
- Pink triangle
- Poly
- Polyamorous
- Polygender
- Polyromantic
- Polysexual
- Pomosexual
- Pride
- Pronoun
- Pulse tragedy
- Queer
- Queerbaiting
- Queerplatonic relationship
- Questioning
- Radical Faeries
- Religious Discrimination Bill 2021
- Romantic orientation
- RuPaul Charles
- Sapphic
- Sappho
- Sex
- Sexual orientation
- Split Attraction Model
- Stonewall
- Stonewall riots
- Stormé DeLarverie
- Straight queer
- Street Transvestite Action Revolutionaries
- Stud
- Sylvia Rivera
- Terminology
- The Asexual Visibility and Education Network
- The Trans Language Primer
- The Trevor Project
- Transfeminine
- Transgender
- Transition
- Transmasculine
- Transmedicalism
- Transphobia
- Trigender
- Twink
- Two-Spirit
- Umbrella term
- United States v. Windsor
- Unlabeled
- Waria
- Wear It Purple Day
- William Dorsey Swann
- Xenogender
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