June 28

Birthday of machinist Matthew Maguire, who many believe first suggested Labor Day. Others believe it was Peter McGuire, a carpenter - 1850
 
President Grover Cleveland signs legislation declaring Labor Day an official U.S. holiday - 1894
 
The federal government sues the Teamsters to force reforms on the union, the nation's largest. The following March, the government and the union sign a consent decree requiring direct election of the union's president and creation of an Independent Review Board - 1988

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