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Introduction

Welcome to the Portal:California. Such a lovely place.
Welcome to the Portal:California. Such a lovely place.
California
State of California
Map of the United States with California highlighted
Map of the United States with California highlighted

California is a U.S. state in the Western United States that lies on the Pacific Coast. It borders Oregon to the north, and Nevada and Arizona to the east; it also shares an international border with the Mexican state of Baja California to the south. With over 39 million residents across an area of 163,696 square miles (423,970 km2), it is the largest U.S. state by population and third-largest by area.

Prior to European colonization, California was one of the most culturally and linguistically diverse areas in pre-Columbian North America. European exploration in the 16th and 17th centuries led to the colonization by the Spanish Empire. The area became a part of Mexico in 1821, as a result of its successful war for independence. Following the U.S. conquest of California, part of the Mexican-American War, California was ceded to the United States in 1848. The California gold rush started in 1848 and led to social and demographic changes, including the California genocide. It organized itself and was admitted as the 31st state in 1850 as a free state, following the Compromise of 1850.

The economy of California is the largest of any U.S. state, with an estimated 2025 gross state product of $4.296 trillion as of Q3 2025. It is also the world's largest sub-national economy and, if it were an independent country, would be the fourth-largest economy in the world (behind Germany and ahead of Japan) by nominal GDP as of 2025. The state's agricultural industry leads the nation in output, fueled by its production of dairy, almonds, and grapes. Despite heavy reliance on seaborne foreign crude oil, California also refines some of its own oil, primarily drilled from Kern County. With the busiest port in the country (Los Angeles), California plays a pivotal role in the global supply chain, hauling in about 40% of goods imported to the US. Notable contributions to popular culture, ranging from entertainment, sports, music, and fashion, have their origins in California. Despite an exodus of filmmaking from California, Hollywood continues to be an important center of the U.S. film industry, one of the oldest and largest film industries in the world; profoundly influencing global entertainment since the 1920s. The San Francisco Bay Area's Silicon Valley is the center of the global technology industry. (Full article...)

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Metallica at the 2024 Gershwin Prize ceremony. From left to right: Kirk Hammett, Lars Ulrich, Robert Trujillo and James Hetfield.

Metallica is an American heavy metal band. It was formed in Los Angeles in 1981 by vocalist/guitarist James Hetfield and drummer Lars Ulrich, and has been based in San Francisco for most of its career. The band's fast tempos, instrumentals and aggressive musicianship made them one of the founding "big four" bands of thrash metal, alongside Megadeth, Anthrax, and Slayer. Metallica's current lineup comprises founding members and primary songwriters Hetfield and Ulrich, longtime lead guitarist Kirk Hammett, and bassist Robert Trujillo. Former members of the band are bassists Ron McGovney, Cliff Burton, and Jason Newsted, and guitarist Dave Mustaine, who formed Megadeth after being fired from Metallica in 1983.

Metallica first found commercial success with the release of its third album, Master of Puppets (1986), which is often cited as one of the best metal albums of all time. The band's next album, ...And Justice for All (1988), gave Metallica its first Grammy Award nomination. Its fifth album, Metallica (1991), was a turning point for the band that saw it transition from its thrash metal roots; the album appealed to a more mainstream audience, achieving substantial commercial success and selling more than 16 million copies in the United States to date, making it the best-selling album of the SoundScan era. After experimenting with different genres and directions in subsequent releases, Metallica returned to its thrash metal roots with its ninth album, Death Magnetic (2008), which drew similar praise to that of the band's earlier albums. The band's eleventh and most recent album, 72 Seasons, was released in 2023. (Full article...)

The following are images from various California-related articles on Wikipedia.

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A portrait of Gray Davis
There's no question that California, in the last three or four years, has been privileged to add disproportionately to the economic growth of America, and to contribute to its technological productivity.

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Salton Sea Reflection
Salton Sea Reflection
The Salton Sea is an inland saline lake, occupying the lowest elevations of the Salton Sink, part of the larger Colorado Desert in Southern California, north of the Imperial Valley. The lake covers a surface area of approximately 376 square miles (974 km²), the largest in California.

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Skyline Boulevard in winter.
Skyline Boulevard in winter.
Credit: Jawed

Skyline Boulevard stretches through the Santa Cruz Mountains, here near Palo Alto, California.

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Topics

List of California state agencies   •   Association of Monterey Bay Area Governments   •   California Attorney General   •   California State Board of Education   •   CDF Aviation Management Program   •   CalPERS   •   California Air Resources Board   •   California Commission for Economic Development   •   California Department of Boating and Waterways   •   California Department of Forestry and Fire Protection   •   California Department of Insurance   •   California Insurance Commissioner election, 2006   •   California Legislative Analyst's Office   •   California Military Department   •   California Public Utilities Commission   •   California Speaks   •   California State Lands Commission   •   California State Lottery   •   California executive branch   •   CaliforniaVolunteers   •   California State Capitol   •   List of California District Attorneys   •   Districts in California   •   State of California enterprise IT systems   •   Department of Fair Employment and Housing   •   California Geological Survey   •   Governor of California   •   11-99 Foundation   •   California Institute for Regenerative Medicine   •   California Insurance Commissioner   •   Joint Powers Authority   •   Local Agency Formation Commission   •   Secretary of State of California   •   List of law enforcement agencies in California   •   California State Controller   •   California State Police   •   California Department of Transportation   •   California State Treasurer   •   Westlands Water District

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State facts

  • Nicknames: The Golden State
  • Capital: Sacramento
  • Total area: 163,696 mi2
    • Land: 156,002 mi2
    • Water: 7,694 mi2
  • Highest elevation: 14,505 ft (Mount Whitney)
  • Population 39,250,017 (2016 est)
  • Admission to the Union: September 9, 1850 (31st)

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Things you can do

Things you can do
Things you can do

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