Question: On what date did the riots that Bob Kohler was a veteran of take place?
Sentence (from "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.
Relevant evidence: Yes