On Saturday, June 27, 1970, marches to mark the first anniversary of Stonewall were held in Chicago and San Francisco, followed on Sunday, June 28, 1970, by the Christopher Street Liberation Day Parade in New York and the Christopher Street West Association Parade in Los Angeles the four gatherings were the first Pride parades in United States history. The CSD is held in memory of the Stonewall Riots, the first big uprising of LGBT people against police assaults that took place at the Stonewall Inn, a bar on Manhattan, New York City's Christopher Street in the district of Greenwich Village on June 28, 1969.