The roots of the labor movement in the United States can be traced at least as far back as the settlement of first British colony in Jamestown, Virginia, in 1607, when, according to the AFL-CIO's Labor History Timeline,"English planters founded the Jamestown colony and complained about the lack of laborers."
This series of galleries covers what we'll call the modern era of the U.S. labor movement, beginning with the late 1860s, when several early labor unions were formed.
This slideshow is the fifth installment of a six-part series.