September 15
Some 5,000 female cotton workers in and around Pittsburgh, Pa. strike for a 10-hour day. The next day, male trade unionists become the first male auxiliary when they gather to protect the women from police attacks. The strike ultimately failed - 1845
President Kennedy signs off on a $900 million public-works bill for projects in economically depressed areas - 1962
September 15, 1963 - Four young African-American girls were killed in a church bombing in Birmingham, Alabama. Denise McNair, 11 years old, and Carole Robertson, Cynthia Wesley, and Addie Mae Collins, all 14, were killed at the Sixteenth Street Baptist Church, a site of past civil rights rallies. The tragedy helped to mobilize support for the civil rights movement.
More than 350,000 members of the United Auto Workers begin what is to become a 69-day strike against General Motors - 1970
International Association of Siderographers merges with International Association of Machinists & Aerospace Workers - 1992
Labor history found here:
http://www.unionist.com/today-in-labor-history & here:
http://www.workdayminnesota.org/index.php?history_9_09_15_2010