when did it happen?
June 28, 1969
Stonewall riots
The Stonewall riots (also referred to as the Stonewall uprising or the Stonewall rebellion) were a series of spontaneous, violent demonstrations by members of the gay (LGBT) community in response to a police raid that began in the early morning hours of June 28, 1969, at the Stonewall Inn in the Greenwich Village neighborhood of Manhattan, New York City. Patrons of the Stonewall, other Village lesbian and gay bars and neighborhood street people fought back when the police became violent. The riots are widely considered to constitute one of the most important events leading to the gay liberation movement and the twentieth century fight for LGBT rights in the United States.

who plays gandolf in lord of the rings Sir Ian Murray McKellen what was his debut movie? A Touch of Love can you name some of the most acclaimed stage productions he has acted in? A Scent of Flowers, Macbeth, Othello is he involved in queer activism? Yes -  LGBT rights. He is co-founder of Stonewall, an LGBT rights lobby group in the United Kingdom what is this group named after? Named after the Stonewall riots
wiki:19681426
Stonewall riots [SEP] Introduction
At the time, the Stonewall Inn was owned by the Mafia. It catered to an assortment of patrons and was known to be popular among the poorest and most marginalized people in the gay community: butch lesbians, effeminate young men, drag queens, male prostitutes, transgender people, and homeless youth. While police raids on gay bars were routine in the 1960s, officers quickly lost control of the situation at the Stonewall Inn on June 28. Tensions between New York City police and gay residents of Greenwich Village erupted into more protests the next evening, and again several nights later. Within weeks, Village residents quickly organized into activist groups to concentrate efforts on establishing places for gay men and lesbians to be open about their sexual orientation without fear of being arrested.