2021 Chesham and Amersham by-election
A by-election for the United Kingdom parliamentary constituency of Chesham and Amersham was held on 17 June 2021, following the death of incumbent Conservative Party MP Dame Cheryl Gillan. The Liberal Democrat candidate, Sarah Green, won the by-election with a swing from the Conservatives of 25.2%.
Source: Wikipedia — 2021 Chesham and Amersham by-election (CC BY-SA 4.0)