Natalie Clifford Barney is known for being an American expatriate in Paris. However, she's also been described as the Queen of Lesbians during her time.
The Well of Loneliness is well-known among lesbians for being the first novel about the love between women. But who was its author, Radclyffe Hall?
Homosexuality was removed from the Diagnostic and Statistical Manual of Mental Disorder thanks to the effort of activist Barbara Gittings.