Riot Act felt uncertain of their power to take action to stop the riots without a reading of the Riot Act. After the riots, Lord Mansfield observed that the Riot Act did not take away the pre-existing power of the authorities to use force to stop a violent riot; it only created the additional offence of failing to disperse after a reading of the Riot Act. The Riot Act was read prior to the Peterloo Massacre of 1819, as well as prior to the Bristol Riots at Queen's Square in 1831. Both are held to be related to the Unreformed House of
Peterloo Massacre Fields meeting, all serve to indicate the breadth, diversity and widespread geographical scale of the demand for economic and political reform at the time. Peterloo had no effect on the speed of reform, but in due course all but one of the reformers' demands, annual parliaments, were met. Following the Great Reform Act of 1832, the newly created Manchester parliamentary borough elected its first two MPs. Five candidates including William Cobbett stood, and the Whigs, Charles Poulett Thomson and Mark Philips, were elected. Manchester became a Municipal Borough in 1837, and what remained of the manorial rights were purchased by