1947 First lesbian publication in the U.S. is published Vice Versa: Americaâ€™s Gayest Magazine by Lisa Ben in Los Angeles.
1948 Dr. Alfred C. Kinsey releases his controversial study Sexual Behavior in the Human Male, most commonly known as the Kinsey Report in which he studiedâ€”among other things, the homosexual experience among men. He brought homosexuality into mainstream discussion and helped shape changing attitudes about homosexuality.
1949 The term â€œtransexualâ€ is coined by D.O. Cauldwell.
1951 The Mattachine Society, a homophile organization, is founded by Harry Hay in Los Angeles, CA.