High school students are hit by a high-pressure water jet from a fire hose during a peaceful walk in Birmingham, Alabama in 1963. As photographed by Charles Moore, images like this one, printed in Life, galvanized global support for the demonstrators.

“The Birmingham campaign, also known as the Birmingham movement or Birmingham confrontation, was a movement organized in early 1963 by the Southern Christian Leadership Conference (SCLC) to bring attention to the integration efforts of African Americans in Birmingham, Alabama. Led by Martin Luther King Jr., James Bevel, Fred Shuttlesworth and others, the campaign of nonviolentdirect action culminated in widely publicized confrontations between young black students and white civic authorities, and eventually led the municipal government to change the city’s discrimination laws. In the early 1960s, Birmingham was one of the most racially divided cities in the United States, both as enforced…