One day in December 1955, Mrs. Rosa Parks boarded a city bus in Montgomery, Alabama. She was tired from a busy day at work. She was tired of sitting in the back of the bus.
That day, when the bus driver told her to move to allow a white person to be seated, Mrs. Parks refused.
It was not the first time someone had refused to move. But it was the first time that it was someone many people knew.
Mrs. Parks had once worked as the secretary to the president of the NAACP. That was an important job.
When Martin Luther King, Jr. heard that Mrs. Parks had been arrested, he called a meeting at his church. A huge crowd gathered to hear what he had to say