Rosa Parks refuses to relinquish her seat in the "colored" section of the bus to a white passenger after the "white" section of the bus was filled. She is arrested for civil disobedience.
This clip explains the impact of the Montgomery Bus Boycott on the Civil Rights Movement as well as Rosa Parks' role in the boycott. It mentions that the story behind the boycott is more complex, as Rosa Parks wasn't first black person to resist bus segregation. Rather, there were several other women arrested for the same offense in the last 12 months, one of them being 15-year-old Claudette Colvin.
Dr. Martin Luther King leads thousands of marchers out on the Edmund Pettus Bridge in Selma, Alabama. He then holds a prayer session in the middle of the bridge and leads the marchers off the bridge to respect a court order.
John Green explains the history of the United States in the 1960's, inculding the Civil Rights Movement, the assassinations of JFK and MLK, and the beginning of the Vietnam War.