John Fries was an auctioneer from rural Pennsylvania who led a small group of tax protesters in what came to be known as Fries's Rebellion. He was tried and convicted of treason but was eventually pardoned.
Read more...

In the Haymarket Riot of May 4, 1886, the police clashed violently with militant anarchists and labor movement protesters in Chicago. Seven policemen and several protesters were killed, leading to murder convictions for seven radicals, four of whom were executed. The strong public and state reaction against the Haymarket protesters has been called the first Red scare in U.S. history, and their trial has been widely critized for improper procedure and prosecutorial excess.
Read more...

A disturbance of the peace by several persons, assembled and acting with a common intent in executing a lawful or unlawful enterprise in a violent and turbulent manner.
Read more...

An economic and social theory that seeks to maximize wealth and opportunity for all people through public ownership and control of industries and social services.
Read more...