In 1893, Governor Altgeld pardoned the two survivors, claiming that they had been wrongfully convicted for the deaths of seven policeman at an 1886 labor demonstration.  
Judge Joseph Gary, arguing that those who supported the events were equally as guilty as those who committed them, sentenced seven participants to death.  Of these, four men were hanged, one committed suicide, and two had their sentences commuted to life imprisonment.  In 1893, Governor Altgeld pardoned the two survivors, claiming that they had been wrongfully convicted for the deaths of seven policeman at an 1886 labor demonstration.  FTP name this famous Chicago event.
Judge Joseph Gary, arguing that those who supported the events were equally as guilty as those who committed them, sentenced seven participants to death.  
Haymarket Riot or Massacre