Haldenston became prior of St Andrews late in 1417, being elected following the death of the previous prior William de Camera.
He was elected following the death of Secretary General Greg Urwin on 9 August 2008.
Qubilai was elected Qaγan in 1260 following the death of his brother Möngke, although his ascendance was not uncontested.
Moore was elected to the provincial assembly in an 1861 by-election following the death of William Bennett Webster.
He was elected following the death of King Garcia II.
He was first elected in a 1964 byelection, following the death of the district's longtime MP Jack Garland.
Schafer was elected to represent the district in a by-election in early 1996, following the death of Johnny Abel in 1995.
Hodgson was elected to office in a by-election held on October 15, 2009, following the death of previous mayor, Frank Branston.
He was then elected for Totnes in a by-election on 22 April 1717, following the death of Arthur Champernowne.
He was elected in January 1990 following the death of James Manderino.