2018 San Francisco mayoral special election
Ed Lee, who was appointed Mayor of San Francisco in 2011 following Gavin Newsom's election as Lieutenant Governor of California, elected to a full term in 2011, and reelected in 2015, died of cardiac arrest on December 12, 2017. London Breed, the President of the San Francisco Board of Supervisors, became the city's acting mayor.
Mayoralty of Gavin Newsom
The Mayoralty of Gavin Newsom began when Democrat Gavin Newsom was elected Mayor of San Francisco in 2003, succeeding Willie Brown and becoming San Francisco's youngest mayor in a century.