The Civil Rights Movement was a social movement that helped end racial segregation and discrimination against African Americans. The movement started in 1954 and ended in 1968. After slavery ended African Americans still had to deal with overt, institutional, and dejure racism. Rosa Parks sparked the beginning of the Civil Rights Movement when she refused to give up her seat on a segregated bus. The Montgomery Bus Boycott lasted for 381 days, and all blacks refused to ride the bus. In 1956 the buses where desegregated. The nonviolence resistance lead by Martin Luther King, had a very positive impact on the movement. In 1964 the Civil Rights Act was passed which prohibited discrimination against race, religion, sex, and national origin.