Top 10 Nonviolent Protests

Bettmann / Corbis

Flint Sit-In
As a nascent union, the United Auto Workers, formed in 1935, had a lot to fight for. During the Depression, General Motors executives started shifting work loads to plants with non-union members, crippling the UAW. So in December 1936, workers held a sit-in at the Fisher Body Plant in Flint, Michigan. Within two weeks, about 135,000 men were striking in 35 cities across the nation. Although the sit-ins were followed by riots, the images of bands playing on assembly lines and men sleeping near shuttered machines recall the serene strength behind the movement that solidified one of North America's largest unions.

Get the Latest Photos from
Get TIME photos and pictures of the week delivered directly to your inbox.