From the NAACP to the Black Lives Matter movement, we're counting down the biggest civil rights turning points in every decade.

Peaceful protestors are faced with violence by police officers in Selma, Alabama, in 1965.

John Lewis was an American politician and civil rights activist who put his life on the line to lead countless protests for justice, in this clip from Season 1, "Bloody Sunday."

For 382 days, almost the entire African-American population of Montgomery, Alabama, including leaders Martin Luther King Jr. and Rosa Parks, refused to ride on segregated buses, a turning point in the American civil rights movement.