<Ul> <Li> Clarence Harris </Li> </Ul> <Ul> <Li> George Dorsett </Li> </Ul> <P> The Greensboro sit - ins were a series of nonviolent protests in Greensboro, North Carolina, in 1960, which led to the Woolworth department store chain removing its policy of racial segregation in the Southern United States . While not the first sit - in of the Civil Rights Movement, the Greensboro sit - ins were an instrumental action, and also the most well - known sit - ins of the Civil Rights Movement . They are considered a catalyst to the subsequent sit - in movement . These sit - ins led to increased national sentiment at a crucial period in US history . The primary event took place at the Greensboro, North Carolina, Woolworth store, now the International Civil Rights Center and Museum . </P> <P> While the Greensboro sit - in was the most influential and significant sit - in of the Civil Rights Movement, it was not the first . In August 1939, black attorney Samuel Wilbert Tucker organized a sit - in at the then - segregated Alexandria, Virginia, library . In 1942, the Congress of Racial Equality sponsored sit - ins in Chicago, as they did in St. Louis in 1949 and Baltimore in 1952 . Also, a 1958 sit - in in Wichita, Kansas was successful in ending segregation at every Dockum Drug Store in Kansas . </P>

When did the greensboro sit ins take place