02/14/11 Massive riots ranging between 1,000 to 100,000 every day begin in Wisconsin to protest and prevent Act 10 from being voted on and was a large contributing factor leading to the recall vote of Governor Scott Walker. wiki ref, ref2
02/17/11 14 Democrat senators flee to Chicago Illinois to prevent vote on Act 10. wiki ref
09/14/12 Dane County Circuit Judge Juan Colas rules that Governor Walker and the legislature broke state and U.S. Supreme Court law when they ended collective bargaining through Act 10. ref, ref2, ref3
01/18/13 7th Circuit court of appeals upholds Wisconsin's Act 10 in its entirety.
04/25/13 4th District Court of Appeals asks Wisconsin Supreme Court to hear Act 10 case so as to put legal uncertainties regarding Act 10 to rest. ref, ref2
07/31/14 Wisconsin Supreme Court ruled 5–2 to uphold Act 10 in its entirety. ref, ref2, pdf
05/01/15 AFSCME (American Federation of State, County, and Municipal Employees) three chapters in Wisconsin (24, 40, 48) drop in membership from an estimated 63,000 to an estimated below 20,000 as of May 1, 2015. ref. This makes for an estimated drop of 68% since 2011. ref