The 2011–2012 session was a session of the California State Legislature. The session first convened on December 6, 2010 and adjourned sine die on November 30, 2012.
Vacancies and special elections
July 13, 2010: Senator Dave Cox (R–1st) dies from prostate cancer
October 20, 2010: Senator Jenny Oropeza (D–28th) dies of complications from a blood clot. Despite her death, she wins re-election, thus prolonging the seat's vacancy and necessitating a special election
December 21, 2010: Senator George Runner (R–17th) resigns after his election to the State Board of Equalization
January 4, 2011: Assemblyman Ted Gaines (R–4th) wins the special election for the 1st Senate District seat to replace Cox and is sworn in on January 6
January 10, 2011: Mayor Gavin Newsom (D–San Francisco) is sworn in as Lieutenant Governor (and Senate President), replacing Abel Maldonado
February 15, 2011: Former Assemblywoman Sharon Runner (R–36th) wins the special election for the 17th Senate District seat to replace George Runner and is sworn in on February 18
February 15, 2011: Former Assemblyman Ted Lieu (D–53rd) wins the special election for the 28th Senate District seat to replace Oropeza and is sworn in on February 18
May 3, 2011: Beth Gaines (R–Roseville) wins the special election for the 4th Assembly District seat to replace Ted Gaines and is sworn in on May 12
September 1, 2012: Doug LaMalfa (R–4th) resigned to run for Congress
January 5, 2012: Senator Bob Huff (R–29th) replaces Senator Bob Dutton (R–31st) as Senate Republican Leader, as Dutton is termed out at the end of the term
March 28, 2012: Assemblyman Nathan Fletcher (R–75th) leaves the Republican Party to become an independent
The Secretary and the Sergeant-at-Arms are not members of the Legislature.
The Chief Clerk and the Sergeant-at-Arms are not members of the Legislature.
