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.
Levi Richard Ellert
Levi Richard Ellert (October 20, 1857 – July 21, 1901) served as 23rd mayor of San Francisco from 1893 to 1895. He was the first San Francisco native to serve in that office. No previous San Francisco mayors had even been born in California.