May 28
The Ladies Shoe Binders Society formed in New York - 1835
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

May 28, 1963 - A Tougaloo College professor and students staged a sit-in at a segregated lunch counter in the Woolworth’s in Jackson, Mississippi. White youths showered the peaceful protesters with verbal abuse and dumped ketchup, mustard and soda on them. The demonstrators were then doused with spray paint and beaten.
Read more about the sit-in and the civil rights movement at
http://www.hunterbear.org/Woolworth%20Sitin%20Jackson.htm and
http://www.wadsworth.com/history_d/templates/student_resources/0534607411/sources/old/ch29/29.1.comingofage.html Labor History found here:
http://www.biglabor.com/history.php & here:
http://www.workdayminnesota.org/index.php?history_9_05_28_2009