On February 13, 1865, the Sons of Vulcan, the first American union in iron and steel, ended its strike, leading to the first union contract in American history. The Sons of Vulcan formed in 1858 in Pittsburgh, including workers laboring in the small but steadily...
steel industry
On this date in 1937, Chicago police opened fire on strikers in front of the Republic Steel mill, killing 10 workers. Part of the "Little Steel" strike, where smaller steel.