1902
Publication of Carpenter's Iolaus: An Anthology of Friendship.
1903
Formation of Germeinschaft der Eigenene ("Community of Their Own Persons") by A. Brand
1904
Renee Vivien's A Woman Appeared to Me , an account of her relationship with Natalie Barney.

Formation of the Bloomsbury group at London's Gordon Square.

Famed society photographer Cecil Beaton waqs born.
1905
Three Essays on the Theory of Sexuality by Sigmund Freud.
1907
Adolf Brand, the activist leader of the Gemeinschaft der Eigenen, working to overturn Paragraph 175, publishes a piece "outing" the imperial chancellor of Germany, Prince Bernhard von Bülow. The Prince sues Brand for libel and clears his name; Brand is sentenced to 18 months in prison.
1908
The Intermediate Sex , by Edward Carpenter is published in England Intersexes published in Italy by Xavier Mayne (Edward Irenaeus Prime-Stevenson)