Answer:
May 2nd - May 10th 1963. Birmingham, Alabama.
Explanation:
This happened during the famous "Project C" of Martin Luther King Jr. where black people used nonviolent confrontation to give nationwide attention to the racist actions and inactions they were facing.
They were met by stiff opposition from the police who violently attacked them all - men, women and children.
The events of those days generated lots of uproar which eventually led to the passage of the Civil Rights Act