Remembering History: Police use dogs to quell civil unrest in Birmingham, Ala., in May 1963. Birmingham's police commissioner "Bull" Connor also allowed fire hoses to be turned on young civil rights demonstrators. These measures set off a backlash of sentiment that rejuvenated the flagging civil rights movement.

Police use dogs to quell civil unrest in Birmingham, Ala., in May 1963. Birmingham's police commissioner "Bull" Connor also allowed fire hoses to be turned on young civil rights demonstrators. These measures set off a backlash of sentiment that rejuvenated the flagging civil rights movement.

Police use dogs to quell civil unrest in Birmingham, Ala., in May 1963. Birmingham's police commissioner "Bull" Connor also allowed fire hoses to be turned on young civil rights demonstrators. These measures set off a backlash of sentiment that rejuvenated the flagging civil rights movement.