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.
John F. Shelley
John Francis "Jack" Shelley (September 3, 1905 – September 1, 1974) was a U.S. politician. He served as the 35th mayor of San Francisco, from 1964 to 1968, the first Democrat elected to the office in 50 years, and the first in an unbroken line of Democratic mayors that lasts to the present (). His term in the United States House of Representatives, immediately prior to his mayoralty (1949-1964), also broke a long streak of Republican tenure (44 years) and began a streak of Democratic representatives for San Francisco (and, coincidentally, the ) that continues to the present ().