Today in Labor History June 12 260 die in Butte mine disaster; 14,000 strike against unsafe conditio

June 12

Fifty thousand members of the Amalgamated Meat Cutters and Butcher Workmen employed in meatpacking plants walk off their jobs; demands include equalization of wages and conditions throughout U.S. plants - 1904

And this:
June 12, 1904 - Some 50,000 members of the Amalgamated Meat Cutters and Butcher Workmen employed in meatpacking plants across the country, including the one in St. Paul, Minnesota, walked off their jobs. Among their demands was equalization of wages and conditions throughout U.S. plants. Read more at http://www.encyclopedia.chicagohistory.org/pages/943.html

260 die in Butte mine disaster; 14,000 strike against unsafe conditions – 1917

The U.S. Supreme Court invalidates two sections of a Florida law: one required state licensing of paid union business agents, the other required registration with the state of all unions and their officers - 1945

Major League Baseball strike begins, forces cancellation of 713 games. Most observers blamed team owners for the strike: they were trying to recover from a court decision favoring the players on free agency - 1981

Labor history found here: http://www.unionist.com/today-in-labor-history & here: http://www.workdayminnesota.org/index.php?history_9_06_12_2010