On what date did the riots that Bob Kohler was a veteran of take place?
Fed Up Queers:  The group was made up mostly of lesbians such as Jennifer Flynn (who later co-founded the New York City AIDS Housing Network as well as Health GAP), though notable participants also included gay rights pioneer and Stonewall riots veteran, Bob Kohler, and writer, Mattilda aka Matt Bernstein Sycamore. 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 against a police raid that took place in the early morning hours of June 28, 1969, at the Stonewall Inn in the Greenwich Village neighborhood of Manhattan, New York City.
June 28, 1969