Septmeber 13 (Posted a day late)
The Post Office Department orders 25,000 railway mail clerks to shoot to kill any bandits attempting to rob the mail - 1926
September 13, 1934 - A strike in Woonsocket, Rhode Island, part of a national movement to obtain a minimum wage for textile workers, resulted in the deaths of three workers. Over 420,000 workers ultimately joined the strike throughout the month of September 1934.
Eleven AFSCME-represented prison employees, 33 inmates die in four days of rioting at New York State’s Attica Prison and the retaking of the prison. The riot caused the nation to take a closer look at prison conditions, for inmates and their guards alike - 1971
Labor history found here:
http://www.unionist.com/today-in-labor-history & here:
http://www.workdayminnesota.org/index.php?history_9_09_13_2010