'Sitting down was a way of ensuring the factories wouldn’t operate and workers wouldn’t be replaced,” Nelson Lichtenstein, a labor historian and professor at the University of California, Santa Barbara, told History. The workers' success led to a direct growth in the labor movement, inflating union membership from 3.4 million workers in 1930 to 10 million in 1942. The 'strike heard round the world' took place between 19 and grew to involve four of GM's plants in the city by the time the company agreed to recognize the UAW in Feb. Workers at Ford’s Kentucky Plants Vote Down Tentative UAW Deal.GM Reveals More Generous Proposal to UAW, Less Than 9 Hours Before Contract Expires.GM Sends Sixth Offer to Striking Autoworkers Union.GM Agrees to Tentative Deal With Autoworkers After Latest Strike at Its Largest Plant.
GM, Stellantis and UAW Reportedly Close to Deal Amid Marathon Negotiations.GM Labor Deal With Union Autoworkers Ratified Despite Rocky Start.