History review: In 1894 the Pullman Car Company cut workers wages, workers who were putting in 16-hour days. This led to boycotts of trains and refusal of members of the American Railway Union to run trains having Pullman Cars. Other unions joined the strike and it became a national problem because there was much violence. President Grover Cleveland called in the US Marshals and 12,000 US Army troops, because several laws were being violated and the strike interfered with the delivery of mail. Thirteen were killed and fifty-seven wounded. Six days after the strike ended. Congress made September 5 a national holiday, Labor Day,
The irony: Labor Day was created to keep the mail being delivered. The US Postal Service and Congress are now (September, 2011) considering cutting the workforce by 20%, seriously reducing benefits, and eliminating some bargaining rights.