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.
2015 San Francisco mayoral election
The 2015 San Francisco mayoral election took place on November 3, 2015, to elect the Mayor of San Francisco, California. Incumbent Mayor Ed Lee won re-election to a second term in office.