Legacy: One of the greatest tennis players who ever lived, she came out in 1981 and has been an advocate for LGBT rights ever since.
Born: 1947 in Middlesex, England
Born: 1960 in San Diego, California
Legacy: Actor, model, author, recording artist and reality TV host who is also arguably the most famous drag queen in American history (see Divine).
Born: 1954 in Chicago, Illinois
Legacy: Author, journalist, podcaster and very vocal media pundit who began the "It Gets Better" project in 2010 to prevent suicide among LGBT youth.
Born: 1935 in Bridgeport, Connecticut
Legacy: Playwright, author and LGBT rights activist whose work includes the controversial 1978 novel "Faggots," the 1985 play (and 2014 movie) "The Normal Heart," as well as co-founding the Gay Men's Health Crisis in response to the AIDS epidemic.