When was the constituency which its by-election was on15 November 1956 created 
City of Chester by-election, 1956: The City of Chester by-election of 15 November 1956 was held after the appointment of Conservative Member of Parliament (MP) Basil Nield as Recorder of Manchester. City of Chester (UK Parliament constituency): The City of Chester is a constituency created in 1545 (turned into a county division in 1885 and reformed in narrowed geographical guise in 1918) and represented in the House of Commons of the UK Parliament since 2015 by Chris Matheson of the Labour Party.
1545