John F. Fitzgerald becomes mayor of Boston.

He is succeeded by James Michael Curley (1915), Andrew Peters (1918), Curley (1922), Malcolm Nichols (1926), Curley (1930), Frederick Mansfield (1934), Maurice Tobin (1938), John Kerrigan (acting, 1945), Curley (1946), John Hynes (1950), John Collins (1960), Kevin White (1968), Ray Flynn (1984), Tom Menino (1993), Marty Walsh (2014), and Michelle Wu (2021).