X post from GD.
August 4
The Amalgamated Assn. of Iron and Steel Workers is formed. It partnered with the Steel Workers Organizing Committee, CIO in 1935; both organizations disbanded in 1942 to form the new United Steelworkers - 1876
15,000 silk workers strike in Paterson, N.J. for 44 hour week - 1919
185,000 Teamsters begin what is to become a successful 15-day strike at United Parcel Service over excessive use of part-timers - 1997
And this: August 4, 1997 - Some 180,000 Teamsters launched a successful 15-day strike at United Parcel Service over excessive reliance on part-time workers. It was the largest strike in the United States in 20 years.
Labor history found here:
http://www.unionist.com/big-labor/today-in-labor-history & here:
http://www.workdayminnesota.org/index.php?history_9_08_04_2011