Resulting from an attempt of the citizenry to petition against the Corn Laws, about 60,000 people had attended the August meeting including many women and children and within a span of minutes over 500 were injured and 11 killed and Henry Hunt, the speaker at the rally, was jailed for two years.   
The chairman of the bench of magistrates ordered the 15th Hussars and the Cheshire Volunteers to aid the yeomenry in this incident.  Resulting from an attempt of the citizenry to petition against the Corn Laws, about 60,000 people had attended the August meeting including many women and children and within a span of minutes over 500 were injured and 11 killed and Henry Hunt, the speaker at the rally, was jailed for two years.   FTP, name this 1819 incident that saw the attack on a rally against high food prices and for parliamentary reform, held on St. Peter's Field in Manchester.
The chairman of the bench of magistrates ordered the 15th Hussars and the Cheshire Volunteers to aid the yeomenry in this incident.  
Peterloo Massacre