May 28

The Ladies Shoe Binders Society formed in New York - 1835
 

Fifteen women were dismissed from their jobs at the Curtis Publishing Company in Philadelphia for dancing the Turkey Trot.  They were on their lunch break, but management thought the dance too racy - 1912
 
At least 30,000 workers in Rochester, N.Y., participate in a general strike in support of municipal workers who had been fired for forming a union - 1946
 

More info & ammo for unionists is available
online from Union Communication Services.

http://www.unionist.com/