Confederate States of America, is arrested for "being a man dressed in women's clothing". The Cercle Hermaphroditos, the earliest known transgender organization in the United States, was reportedly founded in this year according to Jennie June. 20th century First half - Karl M. Baer, in December 1906, becomes the first transgender person to undergo sex reassignment surgery. The word 'transsexual' is used to mean between or applicable to both men and women (modern usage of this and related words develops later, see 1931 onwards). English sexologist Havelock Ellis (known for his writings on homosexuality) coins the term "sexo-aesthetic inversion" to refer to a phenomenon "by which, a person's tastes and impulses are so altered, that if a man, he emphasizes and even exaggerates the feminine characteristics in his own person". He would later use the term "eonism", named for the aforementioned Chevalier d'Éon, to refer to this phenomenon. In Berlin, Germany, Doctor Magnus Hirschfeld co-founds the Institut für Sexualwissenschaft (Institute for Sex Research), a pioneering private research institute and counseling office. Its library of thousands of books was destroyed by Nazis in May 1933. Lili Elbe had received emasculation and ovary transplant in June 1930. She changed her legal gender in October 1930. Hirschfeld introduces the (German) term "Transsexualismus". In Berlin in 1931, Dora Richter became the first known transgender woman to undergo vaginoplasty. Lili Elbe received vaginoplasty and uterus transplant. Immune system rejection of the transplanted uterus caused her death. Nazis burn the library of Magnus Hirschfeld's Institute for Sexual Research, and destroy the Institute. The first use of the English word transsexuality in print recorded in the Oxford English Dictionary indicates the word is already in use, regarded by that author as a rarer synonym for homosexuality; the first use in print in a modern sense that the dictionary records is in 1950. Barbara Ann Wilcox, a transgender woman, successfully petitions Los Angeles County Superior Court to change her legal name, in one of the earliest known legal cases of its kind. Plastic surgeon Harold Gillies carries out female-to-male sex reassignment surgery on Michael Dillon in Britain. 1950s 1950s Rina Natan becomes the first known transsexual woman in Israel to undergo sex reassignment surgery. The surgery was conducted as an emergency operation after she attempted to perform it on herself; This came after her unsuccessful campaign to change Israeli policy to allow for sex reassignment surgeries. After the