Given the amount of events that occurred in the labor sector throughout US history, this is a question that is somewhat difficult to answer. The United Mine Workers successfully led a campaign to reduce a worker's standard hours in 1898, and they were successful.
By 1905, very few printing enterprises still employed the eight-hour workday.
Additionally, in 1926, Ford Motor Company employees became the first to work a 5-day, 40-hour workweek.
However, this came after numerous worker attempts in the past, including the Haymarket Tragedy in 1886.
The eight-hour day was supposedly introduced on May 1, 1886. Strikes broke out in support of the deadline, but they ended in a tragic riot.
Learn more about the goal of unions like the national labor union and the knights of labor: https://brainly.com/question/5057514
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