2023 in California

• Governor: Gavin Newsom (D)
• Lieutenant Governor: Eleni Kounalakis (D)
• Chief Justice:
• Tani Cantil-Sakauye (until January 2)
• Patricia Guerrero (starting January 2)
• Senate president pro tempore: Toni Atkins (D)
• Speaker of the Assembly:
• Anthony Rendon (D) (until June 30)
• Robert A. Rivas (D) (starting June 30)

File:Taylor Swift The Eras Tour Midnights Era Set (53108997987) (cropped).jpg performing at SoFi Stadium in August 2023]]

The Eras Tour, singer-songwriter Taylor Swift's sixth concert tour, generated significant revenue for Los Angeles. The California Center for Jobs and the Economy determined that Swift's performances in the city, prolonged over six days, generated {{USD|320}} million for Los Angeles County, or enough revenue to fund 3,300 additional jobs.{{Cite web |url=https://www.washingtonpost.com/business/2023/10/13/taylor-swift-eras-tour-money-jobs/ |title=The Economy (Taylor's Version) |date=October 13, 2023 |last1=Bhattari |first1=Abha |last2=Lerman |first2=Rachel |last3=Sabens |first3=Emily |work=The Washington Post |access-date=January 3, 2024}} During the final performance of her tour in Los Angeles, Swift announced 1989 (Taylor's Version).{{Cite web |url=https://www.nytimes.com/2023/08/10/arts/music/taylor-swift-1989-rerecord.html |title=Taylor Swift Announces Fourth Album Rerecording During Eras Tour |date=August 10, 2023 |last=Moses |first=Claire |work=The New York Times |access-date=January 3, 2024}} The Eras Tour occurred concurrently with a hotel worker strike in Los Angeles. Striking hotel employees urged Swift to postpone her concerts in Los Angeles.{{Cite web |url=https://www.latimes.com/business/story/2023-07-27/la-hotel-workers-taylor-swift-eras-tour-push-for-higher-wages |title=Taylor Swift is about to boost L.A.'s economy. Striking hotel workers want her to stay away |date=July 27, 2023 |last1=Olson |first1=Carly |last2=Hussain |first2=Suhauna |last3=Li |first3=Helen |work=Los Angeles Times |access-date=January 3, 2024}} Taylor Swift: The Eras Tour, a concert film documenting the tour, was filmed during three performances of The Eras Tour in Los Angeles;{{Cite web |url=https://www.newyorker.com/culture/the-front-row/taylor-swift-the-eras-tour-is-intimate-colossal-and-slightly-disappointing |title="Taylor Swift: The Eras Tour" Is Intimate, Colossal, and Slightly Disappointing |date=October 16, 2023 |last=Brody |first=Richard |work=The New Yorker |access-date=January 3, 2024}} the film grossed {{USD|250}} million worldwide.{{Cite web |url=https://variety.com/2023/film/box-office/taylor-swift-eras-tour-surpasses-250-million-global-box-office-1235810348/ |title=Taylor Swift's 'The Eras Tour' Surpasses $250 Million at Global Box Office |date=November 27, 2023 |last=Rubin |first=Rebecca |work=Variety |access-date=January 3, 2024}} The Eras Tour was honored with a proclamation naming Swift as an honorary mayor of Santa Clara and temporarily renaming the city to "Swiftie Clara".{{Cite web |url=https://www.latimes.com/entertainment-arts/music/story/2023-07-19/taylor-swift-santa-clara-swiftie-clara-honorary-mayor-eras |title=As Taylor Swift heads for Santa Clara — er, 'Swiftie Clara' — the city names a new mayor |date=July 19, 2023 |last=St. Martin |first=Emily |work=Los Angeles Times |access-date=January 3, 2024}} San Francisco supervisor Matt Dorsey proposed declaring July 28 and 29—the dates of Swift's Santa Clara concerts—as "Taylor Swift Weekend".{{Cite web |url=https://www.sfchronicle.com/entertainment/article/taylor-swift-tour-sf-santa-clara-18207207.php |title=S.F. resolution proposes 'Taylor Swift Weekend' to honor singer's Santa Clara Eras Tour stop |date=July 26, 2023 |last=Irshad |first=Zara |work=San Francisco Chronicle |access-date=January 3, 2024}}

In the 2022 NFL season, the Los Angeles Chargers and San Francisco 49ers advanced to the Wild Card playoffs. The Chargers lost to the Jacksonville Jaguars 31–30 when placekicker Riley Patterson kicked a 36-yard field goal after leading by 27 points.{{Cite web |url=https://www.latimes.com/sports/chargers/story/2023-01-14/chargers-blow-27-point-lead-jaguars-nfl-playoffs-recap |title=Chargers blow 27-point lead with horrendous second half in playoff loss to Jaguars |date=January 14, 2023 |last=Miller |first=Jeff |work=Los Angeles Times |access-date=January 3, 2024}} The 49ers advanced to the NFC Championship Game before losing to the Philadelphia Eagles 31–7 after quarterback Brock Purdy suffered an injury, allowing the Eagles to face the Kansas City Chiefs in Super Bowl LVII.{{Cite web |url=https://www.nytimes.com/athletic/4124876/2023/01/29/eagles-49ers-nfc-championship-streaming/ |title=Eagles advance to Super Bowl LVII with franchise-record 4 rushing touchdowns against 49ers |date=January 29, 2023 |work=The Athletic |access-date=January 3, 2024}}

In February 2023, California ended its COVID-19 state of emergency.{{Cite web |url=https://www.nytimes.com/2023/02/02/us/california-covid-state-of-emergency-ending.html |title=California Will End Its Covid State of Emergency This Month |date=February 2, 2023 |last=Karlamangla |first=Soumya |work=The New York Times |access-date=January 3, 2024}} COVID-19 cases in the state increased in August due to increased travel, waning immunity, and the eroding of precautions.{{Cite web |url=https://www.nytimes.com/2023/08/14/us/california-covid-cases.html |title=How to Think About Rising Covid Cases in California |date=August 14, 2023 |last=Karlamangla |first=Soumya |work=The New York Times |access-date=January 3, 2024}} Cases decreased in October; health officials continued to encourage vaccinations to avert a "tripledemic".{{Cite web |url=https://www.nytimes.com/2023/10/18/us/covid-california-winter-surge.html |title=Covid Cases Drop in California, but Experts Warn of a Winter Surge |date=October 18, 2023 |last=Karlamangla |first=Soumya |work=The New York Times |access-date=January 3, 2024}}

Concerns over senator Dianne Feinstein's health and mental competence intensified in 2023, furthered by the 2024 Senate election. In January, representatives Katie Porter and Adam Schiff announced that they would run for the Senate seat held by Feinstein.{{Cite web |url=https://www.nytimes.com/2023/01/10/us/politics/katie-porter-senate-california.html |title=Katie Porter, California Congresswoman, Is Running for Senate |date=January 10, 2023 |last=Epstein |first=Reid |work=The New York Times |access-date=January 2, 2024}}{{Cite web |url=https://www.nytimes.com/2023/01/26/us/politics/adam-schiff-senate-california.html |title=Adam Schiff, a Trump Impeachment Manager, Runs for Senate in California |date=January 26, 2023 |last1=Epstein |first1=Reid |last2=Vigdor |first2=Neil |work=The New York Times |access-date=January 2, 2024}} On February 14, Feinstein stated that she would not seek reelection.{{Cite web |url=https://www.nytimes.com/2023/02/14/us/politics/dianne-feinstein-retire-senate.html |title=Senator Dianne Feinstein to Retire at the End of Her Term |date=February 14, 2023 |last=Karni |first=Annie |work=The New York Times |access-date=January 2, 2024}} Representative Barbara Lee declared her campaign a week later.{{Cite web |url=https://www.nytimes.com/2023/02/21/us/politics/barbara-lee-senate-california.html |title=Barbara Lee, a Longtime Congresswoman, Is Running for Senate in California |date=February 21, 2023 |last1=Ulloa |first1=Jazmine |last2=Epstein |first2=Reid |work=The New York Times |access-date=January 2, 2024}} The campaigns of Porter, Schiff, and Lee represent a progressive shift in the California Democratic Party, congressional representation from areas of California outside of the San Francisco Bay Area, and demographic changes reflecting the increase population of Hispanics and Latinos in California.{{Cite web |url=https://www.nytimes.com/2023/02/15/us/politics/california-senator-feinstein-retire.html |title=Senate Race in California Reflects Fight for Democrats' Future |date=February 15, 2023 |last=Ulloa |first=Jazmine |work=The New York Times |access-date=January 2, 2024}} Feinstein was hospitalized for shingles that month. The New York Times reported in May that shingles had spread to her face and neck, causing facial paralysis, and that Feinstein had contracted encephalitis.{{Cite web |url=https://www.nytimes.com/2023/05/18/us/politics/feinstein-illness-shingles-senate.html |title=Feinstein Suffered More Complications From Illness Than Were Publicly Disclosed |date=May 18, 2023 |last1=Karni |first1=Annie |last2=Hulse |first2=Carl |author-link2=Carl Hulse |work=The New York Times |access-date=January 2, 2024}} On September 29, Feinstein died.{{Cite web |url=https://www.nytimes.com/live/2023/09/29/us/dianne-feinstein-dead-senate |title=Death of Dianne Feinstein: Newsom Faces Pressure to Quickly Appoint a Replacement |date=September 29, 2023 |last1=Karni |first1=Annie |last2=Hubler |first2=Shawn |work=The New York Times |access-date=January 2, 2024}} Under California law, Newsom is granted the authority to appoint a successor{{Cite web |url=https://www.nytimes.com/2023/09/29/us/what-happens-next-to-feinsteins-seat.html |title=What Happens Next to Feinstein's Seat? |last=Hubler |first=Shawn |work=The New York Times |access-date=January 2, 2024}} and announced that EMILY's List president Laphonza Butler would serve as California's junior senator on October 1.{{Cite web |url=https://www.nytimes.com/2023/10/01/us/newsom-senate-feinstein-laphonza-butler.html |title=Newsom Names Emily's List President as Feinstein Successor |date=October 1, 2023 |last=Hubler |first=Shawn |work=The New York Times |access-date=January 2, 2024}} Butler will not run for reelection in 2024.{{Cite web |url=https://www.nytimes.com/2023/10/19/us/laphonza-butler-senate-california.html |title=Laphonza Butler Will Not Run for Feinstein's Senate Seat in 2024 |date=October 19, 2023 |last=Hubler |first=Shawn |work=The New York Times |access-date=January 2, 2024}} Feinstein lay in state at San Francisco City Hall, and a memorial was held for her on October 5.{{Cite web |url=https://www.nytimes.com/live/2023/10/05/us/dianne-feinstein-memorial |title=Dianne Feinstein Memorial: Trailblazing Politician Remembered as 'Diamond of the Senate' |date=October 5, 2023 |last=Knight |first=Heather |work=The New York Times |access-date=January 2, 2024}}

A law decriminalizing jaywalking took effect on January 1.{{Cite web |url=https://www.nytimes.com/2022/10/26/us/california-jaywalking-decriminalized.html |title=Soon, Jaywalking Will No Longer Be a Crime in California |date=October 26, 2022 |last=Oxenden |first=McKenna |work=The New York Times |access-date=January 2, 2024}}

• January 1 – A 5.4 {{M|w|link=y}} earthquake hits Rio Dell as an aftershock of the 2022 Ferndale earthquake, damaging structures.{{Cite web |url=https://www.nytimes.com/2023/01/01/us/california-earthquake.html |title=California Town Rattled by Earthquake a Second Time |date=January 1, 2023 |last1=Quezada |first1=Jose |last2=Moity |first2=Stephen |last3=Hancock |first3=Ollie |work=The New York Times |access-date=January 2, 2024}}
• January 2 – 2023 Rose Bowl: The Penn State Nittany Lions defeat the Utah Utes 35–21, winning their second Rose Bowl title.{{Cite web |url=https://www.nytimes.com/2023/01/02/sports/penn-state-utah-rose-bow.html |title=Penn State Beats Utah, as the Rose Bowl Marks the End of an Era |date=January 2, 2023 |last=Witz |first=Billy |work=The New York Times |access-date=January 2, 2024}}
• January 4 – Governor Gavin Newsom declares a state of emergency amid a second deluge of flooding.{{Cite web |url=https://www.nytimes.com/2023/01/04/us/california-storm-weather-forecast.html |title=Powerful Storm Hits California, as Residents Brace for More Flooding |date=January 4, 2023 |last1=Hubler |first1=Shawn |last2=Karlamangla |first2=Soumya |last3=Fortin |first3=Jacey |last4=Cowan |first4=Jill |work=The New York Times |access-date=January 2, 2024}}
• January 21 – 2023 Monterey Park shooting: A gunman opens fire at a dance studio in Monterey Park, killing eleven people and injuring nine others, before driving to a ballroom. Computer programmer Brandon Tsay disarms the gunman before he flees and kills himself the following day in Torrance.{{Cite web |url=https://www.nytimes.com/live/2023/01/22/us/shooting-monterey-park-california |title=Monterey Park Shooting: Officials Say Gunman Who Killed 10 in California Is Dead |date=January 22, 2023 |last1=Knoll |first1=Corina |last2=Cowan |first2=Jill |last3=Kim |first3=Victoria |last4=Sandoval |first4=Edgar |work=The New York Times |access-date=January 2, 2024}}
• January 23 – 2023 Half Moon Bay shootings: A spree shooting occurs at two farms in Half Moon Bay, killing seven people and injuring another person.{{Cite web |url=https://www.nytimes.com/live/2023/01/24/us/california-shootings |title=California Mass Shootings: Half Moon Bay Killings Add to State's Grim Toll of Gun Violence |date=January 24, 2023 |work=The New York Times |access-date=January 2, 2024}}
• January 28 – Three people are killed and four others are wounded in a mass shooting in Beverly Crest, Los Angeles.{{Cite web |url=https://www.nytimes.com/2023/01/28/us/beverly-hills-shooting-california.html |title=Three Dead and Four Wounded in Shooting Near Beverly Hills |date=January 28, 2023 |last=Holpuch |first=Amanda |work=The New York Times |access-date=January 2, 2024}}
• March 10 – Collapse of Silicon Valley Bank: Silicon Valley Bank, a lender specializing in the technology industry and a regional bank in the San Francisco Bay Area, files for bankruptcy following a bank run.{{Cite web |url=https://www.nytimes.com/2023/03/10/business/silicon-valley-bank-stock.html |title=Silicon Valley Bank Fails After Run on Deposits |date=March 10, 2023 |last1=Flitter |first1=Emily |last2=Copeland |first2=Rob |work=The New York Times |access-date=January 3, 2024}}
• December 31 – Representative Kevin McCarthy resigns, ending his sixteen year-long tenure.{{Cite web |url=https://www.latimes.com/california/story/2024-01-03/kevin-mccarthy-gives-cheeky-answer-for-his-newest-government-gig |title=Kevin McCarthy gives cheeky answer for his newest government gig |date=January 3, 2024 |last=Pinho |first=Faith |work=Los Angeles Times |access-date=March 19, 2024}}

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