August 4

The Amalgamated Association 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
 
An estimated 15,000 silk workers strike in Paterson, N.J., for 44-hour week – 1919

Nearly 185,000 Teamsters begin what is to become a successful 15-day strike at United Parcel Service over excessive use of part-timers - 1997

More info & ammo for unionists is available
online from Union Communication Services.

http://www.unionist.com/