December 20 in LGBTQ History
1955: Frank Kameny is fired from his job as an astronomer in the United States Army’s Map Service in Washington, D.C. because of his homosexuality. A few days later he is blacklisted from seeking federal employment. These events spur Kameny into being a gay rights activist.
1973: For the second time in two years, the New York City Council rejects a proposed gay rights ordinance for the city.
1999: In Baker v. Vermont, the Vermont Supreme Court orders the state legislature to devise a law to give same-sex couples identical rights to married couples.