Answer:
Shays' Rebellion was an armed uprising in Western Massachusetts and Worcester in response to a debt crisis among the citizenry and in opposition to the state government's increased efforts to collect taxes both on individuals and their trades; the fight took place mostly in and around Springfield during 1786 and 1787. Wikipedia
Start date: 1786
Caused by: Economic policy; Aggressive tax and debt collection; Political corruption and cronyism
Goals: Reform of state government, later its overthrow
Location: Massachusetts, United States
End date: 1787