National March for Lesbian and Gay Rights
The march on Washington held on this day is believed to be the first national-level march for lesbian and gay rights; it drew between 75,000 and 100,000 people to Washington, D.C.
See also the later march of 500,000 lesbian and gay rights supporters in Washington, DC, on October 11, 1987, a march that launched National Coming Out Day, and a march on April 25, 1993 that drew over 1 million people to Washington.
Watch newsreel footage of the march: http://archive.org/details/pra-KZ0941
Learn more at a valuable documentary history: Jonathan Katz, ed., Gay American History: Lesbian and Gay Men in American History, A Documentary (1976)
Learn more at a timeline of lesbian and gay rights: http://www.infoplease.com/ipa/A0761909.html
Visit the GLBT History Museum in San Francisco: http://www.glbthistory.org/museum/
Learn about the history of marching on Washington: Lucy Barber, Marching on Washington: The Forging of an American Political Tradition (2002)