The document summarizes the history of the civil rights movement in the United States from the late 19th century to the 1970s. It describes the establishment of legalized racial segregation after the Plessy v. Ferguson Supreme Court decision, the NAACP's legal strategy to challenge segregation led by Thurgood Marshall, key civil rights events and protests like the Montgomery Bus Boycott and Freedom Rides, violent resistance to desegregation orders in Little Rock and the University of Mississippi, the 1963 March on Washington and Martin Luther King Jr.'s "I Have a Dream" speech, the 1964 Civil Rights Act and 1965 Voting Rights Act, and the assassination of Martin Luther King Jr. in 1968. It also discusses