On August 29, 1970, more than 20,000 Mexican-Americans march through East Los Angeles to protest the Vietnam War . The Chicano Moratorium, as this massive protest was known, was peaceful until the Los Angeles Police entered Laguna Park, sparking violence and rioting that led to three deaths. The Chicano Moratorium is now remembered both as the tragic end of one stage of Chicano activism and as a moment that galvanized and inspired a new generation of activists. READ MORE: The Brutal History of Anti-Latino Discrimination in America The march was planned as an entirely peaceful demonstration in support of peace and in protest of the Vietnam War, which claimed Latino lives at a disproportionately high rate. As demonstrators assembled in the park, the owner of a nearby liquor store called the police on some Chicano customers in the fear that they might begin shoplifting. When the LAPD responded, it assumed the protest had led to looting, and before long the police were storming the park