founded, as the Labour Representation Committee, in 1900. Division and county constituency The parliamentary borough of Peterborough was abolished under the Representation of the People Act 1918, and the name was transferred to a division of the new parliamentary county of Northampton with the Soke of Peterborough. The Peterborough division became a county constituency in 1950. MPs 1918–1974 Borough constituency Peterborough was redefined as a borough constituency with effect from the February 1974 general election. Successors of the historic parliamentary boroughs, the spending limits for election campaigns are slightly lower than in county constituencies. MPs since 1974 Onasanya sat as an independent after she was suspended by the Labour Party in December 2018. The seat became vacant on 1 May 2019 following a successful recall petition, until 7 June 2019, when Lisa Forbes was elected to the constituency in the 2019 Peterborough by-election, on behalf of the Labour Party. Elections Elections in the 2020's Elections in the 2010s Elections in the 2000s Elections in the 1990s Elections in the 1980s Elections in the 1970s Elections in the 1960s Elections in the 1950s Elections in the 1940s General Election 1939–40 Another general election was required to take place before the end of 1940. The political parties had been making preparations for an election to take place from 1939 and by the end of this year, the following candidates had been selected: Conservative: David Cecil Labour: Samuel Bennett Elections in the 1930s Elections in the 1920s Elections in the 1910s Elections in the 1900s Elections in the 1890s Elections in the 1880s Caused by Wentworth-Fitzwilliam's death. Caused by Whalley's resignation. Elections in the 1870s Caused by Whalley's death. Raper was a 'Permissive Bill' candidate. Elections in the 1860s Green, a Radical liberal, withdrew before polling. Elections in the 1850s Caused by the 1852 by-election being declared void on petition due to bribery and treating. Although Whalley secured the most votes, his election was declared void owing to disqualification due to the earlier bribery and treating, and Hankey was declared elected. Caused by Watson's death. Elections in the 1840s Elections in the 1830s Caused by Wentworth-FitzWilliam's resignation See also List of parliamentary constituencies in Cambridgeshire References External links United Kingdom Parliament Parliamentary constituencies in Cambridgeshire Parliamentary constituencies in Northamptonshire (historic) Politics of Peterborough Constituencies of the Parliament of the United Kingdom established in 1541