American Federation of Labor (8 dic 1886 año – 4 dic 1955 año)
Descripción:
The American Federation of Labor was a national federation of labor unions in the United States founded in Columbus, Ohio, in December 1886 by an alliance of craft unions disaffected from the Knights of Labor, a national labor unio
Añadido al timeline:
fecha:
8 dic 1886 año
4 dic 1955 año
~ 69 years