: Terms for individuals whose gender identity does not fit strictly into the categories of "man" or "woman". Historical Foundations
: Christine Jorgensen’s transition in 1952 brought international attention to gender-affirming surgery. Uprisings and Activism :
: Karl M. Baer became the first transgender person to undergo sex reassignment surgery in 1906. In 1931, Dora Richter became the first known transgender woman to undergo vaginoplasty.
: Gender identity refers to an internal sense of being (e.g., male, female, nonbinary), while sexual orientation refers to whom a person is attracted to. Transgender people may identify as straight, gay, lesbian, bisexual, or asexual.