the development of union labor unions By chocalatemilk2001 Jan 1, 1834 national trades union the first national union was founded in 1834 Jan 1, 1892 the homestead strike steel workers went against the carnigie steel plant Jan 1, 1905 the international workers of the world organized in 1905 for unskilled workers and immigrants Jan 1, 1935 national labor relations act protected the rights of workers to organize and elect. Sep 21, 2011 afll and cio merged in 1955
