Peterloo Massacre memorial because it under reported the incident as a dispersal, and the deaths were omitted completely. In a 2006 survey conducted by "The Guardian", Peterloo came second to St. Mary's Church, Putney, the venue for the Putney Debates, as the event from radical British history that most deserved a proper monument. A Peterloo Massacre Memorial Campaign was set up to lobby for a more appropriate monument to an event that has been described as Manchester's Tiananmen Square. In 2007, Manchester City Council replaced the original blue plaque with a red one, giving a fuller account of the events of 1819.
Peterloo Massacre and votes could only be cast at the county town of Lancaster, by a public spoken declaration at the hustings. Constituency boundaries were out of date, and the so-called rotten boroughs had a hugely disproportionate influence on the membership of the Parliament of the United Kingdom compared to the size of their populations: Old Sarum in Wiltshire, with one voter, elected two MPs, as did Dunwich in Suffolk, which by the early 19th century had almost completely disappeared into the sea. The major urban centres of Manchester, Salford, Bolton, Blackburn, Rochdale, Ashton-under-Lyne, Oldham and Stockport, with a combined population of