Postal pay disputes: 1934-81
Workers and management at the U.S. Post Office (later Postal Service) have repeatedly clashed through the years. While unions existed at the Post Office for years, they had no collective bargaining rights.

In 1970 a massive wildcat strike centered in New York City that spread to many areas of the country ended with the promise of the first collective bargaining with the Postmaster. Congress later formalized a collective bargaining procedure and the first two-year contract was negotiated in 1971.
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