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94-543: The Coachella Valley Unified School District is a public school district in Riverside County, California and Imperial County, California , United States , with headquarters in Thermal . The District serves a 1,250-square-mile (3,200 km) area, including the cities of Coachella , Indio (southern portion) and La Quinta (eastern portion) and the following unincorporated communities: The CVUSD headquarters

188-552: A gunman shot congresswoman Gabby Giffords and 18 others at a gathering in Tucson. Giffords was critically wounded. The incident sparked national attention regarding incendiary political rhetoric. Three ships named USS Arizona have been christened in honor of the state, although only USS Arizona (BB-39) was so named after statehood was achieved. Arizona is in the Southwestern United States as one of

282-536: A Japanese invasion of the U.S. West Coast (which in fact materialized in the Aleutian Islands Campaign in June 1942), from 1942 to 1945, persons of Japanese descent were forced to reside in internment camps built in the interior of the country. Many lost their homes and businesses. The camps were abolished after World War   II. The Phoenix-area POW camp site for Germans was purchased after

376-404: A Pomona County and one for a San Jacinto County. None of the proposals were adopted until a measure to create Riverside County was signed by Governor Henry H. Markham on March 11, 1893. The new county was created from parts of San Bernardino County and San Diego County . On May 2, 1893, seventy percent of voters approved the formation of Riverside County. Voters chose the city of Riverside as

470-528: A Spanish Franciscan , became the first European to contact Native Americans. He explored parts of the present state and made contact with native inhabitants, probably the Sobaipuri . The expedition of Spanish explorer Coronado entered the area in 1540–1542 during its search for Cíbola . Few Spanish settlers migrated to Arizona. One of the first settlers in Arizona was José Romo de Vivar . Father Kino

564-587: A channel over millions of years, and is about 277 miles (446 km) long, ranges in width from 4 to 18 miles (6 to 29 km) and attains a depth of more than 1 mile (1.6 km). Nearly two   billion years of the Earth 's history have been exposed as the Colorado River and its tributaries cut through layer after layer of sediment as the Colorado Plateau uplifted. Arizona is home to one of

658-757: A divine hero to the Pima people of the Gila River Valley . It was probably considered – and rejected – for its sentimental value before Congress settled on the name "Arizona".) Brigham Young , leader of the Church of Jesus Christ of Latter-day Saints in Salt Lake City in Utah , sent Mormons to Arizona in the mid- to late 19th century. They founded Mesa , Snowflake , Heber , Safford , and other towns. They also settled in

752-403: A dry heat from 90 to 120 °F (32 to 49 °C), with occasional high temperatures exceeding 125 °F (52 °C) having been observed in the desert area. Arizona's all-time record high is 128 °F (53 °C) recorded at Lake Havasu City on June 29, 1994, and July 5, 2007; the all-time record low of −40 °F (−40 °C) was recorded at Hawley Lake on January 7, 1971. Due to

846-572: A population of 2,189,641. The racial makeup of Riverside County was 1,335,147 (61.0%) White (40.7% Non-Hispanic White), 140,543 (6.4%) African American , 23,710 (1.1%) Native American , 130,468 (6.0%) Asian (2.3% Filipino, 0.8% Chinese, 0.7% Vietnamese, 0.6% Korean, 0.5% Indian, 0.2% Japanese, 0.1% Cambodian, 0.1% Laotian, 0.1% Pakistani), 6,874 (0.3%) Pacific Islander , 448,235 (20.5%) from other races , and 104,664 (4.8%) from two or more races. There were 995,257 residents of Hispanic or Latino ancestry, of any race (45.5%); 39.5% of Riverside County

940-671: A total metropolitan population of just over 4.7   million. The average high temperature in July, 106 °F (41 °C), is one of the highest of any metropolitan area in the United States, offset by an average January high temperature of 67 °F (19 °C), the basis of its winter appeal. Tucson , with a metro population of just over one   million, is the state's second-largest city. Located in Pima County , approximately 110 miles (180 km) southeast of Phoenix, it

1034-412: A week, with a primarily commuter-oriented schedule. Riverside County has 12 federally recognized Indian reservations , which ties it with Sandoval County, New Mexico , for second most of any county in the United States. (Sandoval County, however, has two additional joint-use areas, shared between reservations. San Diego County, California has the most, with 18 reservations.) The population ranking of

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1128-765: Is at the southernmost part of its range in Riverside County. There are 19 official wilderness areas in Riverside County that are part of the National Wilderness Preservation System . Some are integral parts of the above protected areas, most (11 of the 19) are managed solely by the Bureau of Land Management , and some share management between the BLM and the relevant other agencies. Some extend into neighboring counties: The 2010 United States Census reported that Riverside County had

1222-811: Is considered as relatively vulnerable to climate change, which can make six of Arizona`s 15 counties uninhabitable for humans by the years 2040-2060. This was the cautionary warning made by a December 2020 study released by ProPublica and Rhodium Group. Phoenix , in Maricopa County , is Arizona's capital and largest city. Other prominent cities in the Phoenix metro area include Mesa (Arizona's third largest city), Chandler (Arizona's fourth largest city), Glendale , Peoria , Buckeye , Sun City , Sun City West , Fountain Hills , Surprise , Gilbert , El Mirage , Avondale , Tempe , Tolleson and Scottsdale , with

1316-493: Is home to a diverse population. About one-quarter of the state is made up of Indian reservations that serve as the home of 27 federally recognized Native American tribes , including the Navajo Nation , the largest in the state and the country, with more than 300,000 citizens. Since the 1980s, the proportion of Hispanics has grown significantly owing to migration from Mexico and Central America. A substantial portion of

1410-612: Is in Arizona. The Mogollon Rim ( / ˌmoʊ gəˈyoʊn / ), a 1,998-foot (609 m) escarpment , cuts across the state's central section and marks the southwestern edge of the Colorado Plateau. In 2002, this was an area of the Rodeo–Chediski Fire , the worst fire in state history until 2011. Located in northern Arizona, the Grand Canyon is a colorful, deep, steep-sided gorge, carved by the Colorado River . The canyon

1504-629: Is less well known for its pine-covered north-central portion of the high country of the Colorado Plateau (see Arizona Mountains forests ). Like other states of the Southwest United States, Arizona is marked by high mountains, the Colorado plateau, and mesas. Despite the state's aridity, 27% of Arizona is forest, a percentage comparable to modern-day Romania or Greece. The world's largest stand of ponderosa pine trees

1598-579: Is located at 87225 Church St., Thermal, CA 92274. The district accommodates a fast-growing population of the area, which is predominantly Hispanic (over 80% of CVUSD students, excluding those from seasonal migrant laborers) and residents from Coachella are a large portion of students in the high school. The CVUSD has 14 elementary schools, 3 middle schools and 3 high schools, plus one continuation high school and one special school for teenage mothers. The oldest schools in CVUSD include: Coachella Valley High (joined

1692-983: Is now Riverside County are the Serrano , the Payómkawichum , the Mohave , the Cupeno , the Chemehuevi , the Cahuilla , and the Tongva . The Aguanga and Temecula Basins, Elsinore Trough and eastern Santa Ana Mountains are the traditional homelands of the Payómkawichum. The inland valleys in the Santa Rosa and San Jacinto Mountains and the desert of the Salton Sink are the traditional homelands of

1786-671: Is one of the Seven Natural Wonders of the World and is largely contained in the Grand Canyon National Park  – one of the first national parks in the United States. President Theodore Roosevelt was a major proponent of designating the Grand Canyon area as a National Park, often visiting to hunt mountain lion and enjoy the scenery. The canyon was created by the Colorado River cutting

1880-629: Is the Riverside Historic Courthouse. This landmark, erected in 1903, was modeled after the Grand and Petit Palais in Paris, France . The courthouse, designed by Los Angeles architects Burnham and Bliesner, has a classical design – including a great hall that connects all the departments ( courtrooms ). In 1994, the courthouse was closed for seismic retrofits due to the 1992 Landers and 1994 Northridge earthquakes . The courthouse

1974-465: Is the state trial court for Riverside County with 14 courthouses : Riverside Historic Courthouse , Riverside Hall of Justice, Riverside Family Law Court, Riverside Juvenile Court, Southwest Justice Center – Murrieta, Moreno Valley Court, Banning Court, Hemet Court, Corona Court, Temecula Court, Larson Justice Center – Indio, Indio Juvenile Court, Palm Springs Court and Blythe Court. The main courthouse

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2068-549: The Arizona Legislature enacted the Stupid Motorist Law . It is rare for tornadoes or hurricanes to occur in Arizona. Arizona's northern third is a plateau at significantly higher altitudes than the lower desert, and has an appreciably cooler climate, with cold winters and mild summers, though the climate remains semiarid to arid. Extremely low temperatures are not unknown; cold air systems from

2162-561: The Colorado Plateau ; mountain ranges (such as the San Francisco Mountains ); as well as large, deep canyons , with much more moderate summer temperatures and significant winter snowfalls. There are ski resorts in the areas of Flagstaff , Sunrise , and Tucson . In addition to the internationally known Grand Canyon National Park , which is one of the world's seven natural wonders , there are several national forests , national parks , and national monuments . Arizona

2256-620: The First Mexican Republic , a series of rancho land grants were made throughout the state. In the Riverside County this included; Rancho Jurupa in 1838, El Rincon in 1839, Rancho San Jacinto Viejo in 1842, Rancho San Jacinto y San Gorgonio in 1843, Ranchos La Laguna , Pauba , Temecula in 1844, Ranchos Little Temecula , Potreros de San Juan Capistrano in 1845, Ranchos San Jacinto Sobrante , La Sierra (Sepulveda) , La Sierra (Yorba) , Santa Rosa and San Jacinto Nuevo y Potrero in 1846. New Mexican colonists founded

2350-539: The Four Corners states. Arizona is the sixth largest state by area , ranked after New Mexico and before Nevada . Of the state's 113,998 square miles (295,000 km ), approximately 15% is privately owned. The remaining area is public forest and parkland, state trust land and Native American reservations. There are 24 National Park Service maintained sites in Arizona, including the three national parks of Grand Canyon National Park , Saguaro National Park , and

2444-653: The Inland Empire western portion, the Santa Rosa Mountains communities such as Reinhardt Canyon , and the desert region. Other possible subdivisions include tribal lands, the Colorado River communities, and the Salton Sea . There is a diversity of flora and fauna within Riverside County. Vegetative plant associations feature many desert flora, but there are also forested areas within the county. The California endemic Blue oak , Quercus douglasii

2538-609: The Inland Empire . The county is also included in the Los Angeles – Long Beach Combined Statistical Area . Roughly rectangular, Riverside County covers 7,208 square miles (18,670 km ) in Southern California , spanning from the greater Los Angeles area to the Arizona border. Geographically, the western region of the county is chaparral with a Mediterranean climate , while the central and eastern regions of

2632-459: The Kingdom of Spain and its Spanish Empire in 1821, what is now Arizona became part of its Territory of Nueva California , ("New California"), also known as Alta California ("Upper California"). Descendants of ethnic Spanish and mestizo settlers from the colonial years still lived in the area at the time of the arrival of later European-American migrants from the United States. During

2726-551: The Mexican–American War (1847–1848), the U.S. Army occupied the national capital of Mexico City and pursued its claim to much of northern Mexico, including what later became Arizona Territory in 1863 and later the State of Arizona in 1912. The Treaty of Guadalupe Hidalgo (1848) specified that, in addition to language and cultural rights of the existing inhabitants of former Mexican citizens being considered as inviolable,

2820-487: The Mexican–American War , Mexico ceded much of this territory to the United States in 1848, where the area became part of the territory of New Mexico . The southernmost portion of the state was acquired in 1853 through the Gadsden Purchase . Southern Arizona is known for its desert climate, with very hot summers and mild winters. Northern Arizona features forests of pine, Douglas fir , and spruce trees;

2914-521: The O'odham name alĭ ṣonak , meaning ' small spring ' . Initially this term was applied by Spanish colonists only to an area near the silver mining camp of Planchas de Plata, Sonora . To the European settlers, the O'odham pronunciation sounded like Arissona . The area is still known as alĭ ṣonak in the O'odham language. Another possible origin is the Basque phrase haritz ona '

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3008-485: The Petrified Forest National Park . Arizona is well known for its desert Basin and Range region in the state's southern portions, which is rich in a landscape of xerophyte plants such as the cactus . This region's topography was shaped by prehistoric volcanism , followed by the cooling-off and related subsidence . Its climate has exceptionally hot summers and mild winters. The state

3102-607: The Phoenix Valley (or "Valley of the Sun"), Tempe , Prescott , and other areas. The Mormons settled what became northern Arizona and northern New Mexico. At the time these areas were in a part of the former New Mexico Territory . During the nineteenth century, a series of gold and silver rushes occurred in the territory, the best known being the 1870s stampede to the silver bonanzas of Tombstone, Arizona , in southeast Arizona, also known for its legendary outlaws and lawmen. By

3196-650: The Territory of New Mexico from 1850 until the southern part of that region seceded from the Union to form the Territory of Arizona . This newly established territory was formally organized by the federal government of the Confederate States on Saturday, January 18, 1862, when President Jefferson Davis approved and signed An Act to Organize the Territory of Arizona , marking the first official use of

3290-458: The U.S. Census Bureau , the county has a total area of 7,303 square miles (18,910 km ), of which 7,206 square miles (18,660 km ) is land and 97 square miles (250 km ) (1.3%) is water. It is the fourth-largest county in California by area. At roughly 180 miles (290 km) wide in the east–west dimension, the area of the county is massive. Riverside County, California is roughly

3384-518: The United States , sharing the Four Corners region of the western United States with Colorado , New Mexico , and Utah . Its other neighboring states are Nevada to the northwest and California to the west. It also shares an international border with the Mexican states of Sonora and Baja California to the south and southwest. It is the 6th-largest and the 14th-most-populous of

3478-726: The United States House of Representatives , Riverside County is split between 6 congressional districts: In the California State Senate , the county is split between four legislative districts: In the California State Assembly , the county is split between six legislative districts: Riverside County voted 64.8% in favor of Proposition 8 which amended the California Constitution to ban same-sex marriages. Only

3572-493: The southern portion of the U.S. state of California . As of the 2020 census , the population was 2,418,185, making it the fourth-most populous county in California and the 10th-most populous in the United States. The name was derived from the city of Riverside , which is the county seat . Riverside County is included in the Riverside– San Bernardino – Ontario Metropolitan Statistical Area , also known as

3666-528: The 50 states. Its capital and largest city is Phoenix , which is the most populous state capital in the United States. Arizona is the 48th state and last of the contiguous states to be admitted to the Union, achieving statehood on February 14, 1912. Historically part of the territory of Alta California and Nuevo México in New Spain , it became part of independent Mexico in 1821. After being defeated in

3760-457: The CVUSD in the 1960s when created out of Coachella Public Schools). Palm View opened in 1939, Bobby Duke and Peter Pendelton schools opened in the 1940s, and Valley View school opened in the 1950s. Mecca and Oasis schools were county schools, so was Kokell school in Thermal, they joined the CVUSD in the 1970s. Riverside County, California Riverside County is a county located in

3854-579: The Cahuilla. The first European settlement in the county was a Mission San Luis Rey de Francia estancia or farm at the Luiseño village of Temescal. In 1819, the Mission granted Leandro Serrano permission to occupy the land for the purpose of grazing and farming, and Serrano established Rancho Temescal . Serrano was mayordomo of San Antonio de Pala Asistencia for the Mission of San Luis Rey. With

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3948-584: The County Board of Supervisors approved a multimillion-dollar planning effort to create the Riverside County Integrated Plan (RCIP) which was to encompass a completely new General Plan, regional transportation plan (CETAP) and Habitat Conservation Plan. The resultant General Plan adopted in 2003 was considered groundbreaking for its multidisciplinary approach to land use and conservation planning. The Riverside Superior Court

4042-718: The Pacific Ocean during the winter and a monsoon in the summer. The monsoon season occurs toward the end of summer. In July or August, the dewpoint rises dramatically for a brief period. During this time, the air contains large amounts of water vapor . Dewpoints as high as 81   °F (27   °C) have been recorded during the Phoenix monsoon season. This hot moisture brings lightning , thunderstorms , wind, and torrential, if usually brief, downpours. These downpours often cause flash floods , which can turn deadly. In an attempt to deter drivers from crossing flooding streams,

4136-492: The Phoenix metropolitan area. Situated in pine tree forests at an elevation of about 5,500 feet (1,700 m), Prescott enjoys a much cooler climate than Phoenix, with average summer highs around 88 °F (31 °C) and winter temperatures averaging 50 °F (10 °C). Yuma is the center of the fourth-largest metropolitan area in Arizona. Located in Yuma County , it is near the borders of California and Mexico. It

4230-555: The Spanish term Árida Zona ' Arid Zone ' is considered a case of folk etymology . For thousands of years before the modern era, Arizona was home to many ancient Native American civilizations. Hohokam , Mogollon , and Ancestral Puebloan cultures were among those that flourished throughout the state. Many of their pueblos, cliffside dwellings, rock paintings and other prehistoric treasures have survived and attract thousands of tourists each year. In 1539, Marcos de Niza ,

4324-418: The age of 18 living with them, 56.5% were married couples living together, 12.0% had a female householder with no husband present, and 26.4% were non-families. 20.7% of all households were made up of individuals, and 9.3% had someone living alone who was 65 years of age or older. The average household size was 3.0 and the average family size was 3.5. In the county, the population was spread out, with 30.3% under

4418-462: The age of 18, 9.2% from 18 to 24, 28.9% from 25 to 44, 18.9% from 45 to 64, and 12.7% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 99.1 males. For every 100 females age 18 and over, there were 96.8 males. The median income for a household in the county was $ 42,887, and the median income for a family was $ 48,409. Males had a median income of $ 38,639 versus $ 28,032 for females. The per capita income for

4512-617: The chance to take part in the flavor and activities of the "Old West". Several upscale hotels and resorts opened during this period, some of which are still top tourist draws. They include the Arizona Biltmore Hotel in central Phoenix (opened 1929) and the Wigwam Resort on the west side of the Phoenix area (opened 1936). Arizona was the site of German prisoner of war camps during World War   II and Japanese American internment camps . Because of wartime fears of

4606-716: The cities and towns of Coachella, Eastvale, Indian Wells, Jurupa Valley, La Quinta, Lake Elsinore, Moreno Valley, Norco, Palm Desert, Perris, Rancho Mirage, San Jacinto, Temecula and Wildomar. The Morongo Indian Reservation also contracts with the Sheriff's Office to provide police services to the reservation. Municipal departments within the county are Banning, Beaumont, Blythe, Calimesa, Cathedral City, Corona, Desert Hot Springs, Hemet, Indio, Menifee, Murrieta, Palm Springs, Riverside, Riverside Community College Riverside County Probation Department https://rivcoprobation.org/ Chart of voter registration Prior to 2008, Riverside County

4700-544: The city in the Tucson Mountains , is the site of the world's largest collection of Saguaro cacti. The Prescott metropolitan area includes the cities of Prescott, Cottonwood , Camp Verde and many other towns in the 8,123 square miles (21,000 km ) of Yavapai County area. With 212,635 residents, this cluster of towns is the state's third largest metropolitan area. The city of Prescott (population 41,528) lies approximately 100 miles (160 km) northwest of

4794-837: The city of Palm Springs voted against the measure. The following table includes the number of incidents reported and the rate per 1,000 persons for each type of offense. K-12 unified: Secondary: Elementary: Amtrak trains stop in Riverside and Palm Springs , and Amtrak California provides bus connections to the San Joaquins in Riverside–Downtown , Beaumont , Palm Springs , Thousand Palms , Indio , Moreno Valley , Perris , Sun City , and Hemet . Metrolink trains serve nine stations in Riverside County: Riverside–Downtown , Riverside–La Sierra , Corona–North Main , Corona–West , Jurupa Valley/Pedley , Riverside–Hunter Park/UCR , Moreno Valley/March Field , Perris–Downtown , and Perris–South . These trains provide service to Orange, San Bernardino and Los Angeles counties seven days

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4888-446: The county are predominantly desert or mountainous. Most of Joshua Tree National Park is located in the county. The desert resort cities of Indio , Coachella , Palm Springs , Palm Desert , Indian Wells , La Quinta , Rancho Mirage , Cathedral City and Desert Hot Springs are located in the Coachella Valley region of central-eastern Riverside County. Between 2007 and 2011, large numbers of Los Angeles -area workers moved to

4982-419: The county had a population of 2,026,803, up 31.2% since 2000. In 2005 45.8% of the population was non-Hispanic whites. The percentages of African Americans, Asians and Native Americans remained relatively similar to their 2000 figures. The percentage of Pacific Islanders had majorly risen to 0.4. Hispanics now constituted 41% of the population. There were 506,218 households, out of which 38.90% had children under

5076-400: The county seat, also by a large margin. Riverside County was officially formed on May 9, 1893, when the Board of Commissioners filed the final canvass of the votes. Riverside county was a major focal point of the Civil Rights Movements in the US, especially the African-American sections of Riverside and heavily Mexican-American communities of the Coachella Valley visited by Cesar Chavez of

5170-434: The county to take advantage of more affordable housing. Along with neighboring San Bernardino County, it was one of the fastest-growing regions in the state prior to the recent changes in the regional economy. In addition, smaller, but significant, numbers of people have been moving into southwest Riverside County from the San Diego metropolitan area . Riverside County is bordered on the north by San Bernardino County ; on

5264-413: The county was $ 18,689. About 10.7% of families and 14.2% of the population were below the poverty line , including 18.5% of those under age 18 and 7.6% of those age 65 or over. Riverside County is organized as a General Law County under the provision of the California Government Code. The county has five supervisorial districts, and one supervisor is elected from each district every four years. In 1999,

5358-426: The county was 65.6% White , 6.2% Black or African American , 1.2% Native American , 3.7% Asian , 0.3% Pacific Islander , 18.7% from other races , and 4.4% from two or more races. 36.2% of the population were Hispanic or Latino of any race. 9.2% were of German, 6.9% English, 6.1% Irish and 5.0% American ancestry according to Census 2000 . 67.2% spoke English and 27.7% Spanish as their first language. In 2006

5452-424: The east by La Paz County , Arizona ; on the southeast by Imperial County ; on the southwest by San Diego County ; and on the west by Orange County . When Riverside County was formed in 1893, it was named for the city of Riverside, the county seat. That city, founded in 1870, was so named because of its location near the Santa Ana River . The Indigenous peoples of the valleys, mountains and deserts of what

5546-407: The farm labor union struggle. Riverside county has also been a focus of modern Native American Gaming enterprises. In the early 1980s, the county government attempted to shut down small bingo halls operated by the Morongo Band of Cahuilla Mission Indians and the Cabazon Band of Mission Indians . The tribes joined forces and fought the county all the way to the U.S. Supreme Court, which ruled in

5640-406: The following table is based on the 2020 census of Riverside County. † county seat Arizona This is an accepted version of this page Arizona ( / ˌ ær ɪ ˈ z oʊ n ə / ARR -iz- OH -nə ; Navajo : Hoozdo Hahoodzo [hoː˥z̥to˩ ha˩hoː˩tso˩] ; O'odham : Alĭ ṣonak [ˈaɭi̥ ˈʂɔnak] ) is a state in the Southwestern region of

5734-404: The good oak ' , as there were numerous Basque sheepherders in the area. A native-born Mexican of Basque ancestry established the ranchería ( small rural settlement ) of Arizona between 1734 and 1736 in the current Mexican state of Sonora . It became notable after a significant discovery of silver there around 1737. The misconception that the state's name purportedly originated from

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5828-401: The last engagement in the American Indian Wars , which lasted from 1775 to 1918. U.S. soldiers stationed on the border confronted Yaqui Indians who were using Arizona as a base to raid the nearby Mexican settlements, as part of their wars against Mexico. Arizona became a U.S. state on February 14, 1912, coinciding with Valentine's Day . Arizona was the 48th state admitted to the U.S. and

5922-431: The last of the contiguous states to be admitted. Cotton farming and copper mining, two of Arizona's most important statewide industries, suffered heavily during the Great Depression . But during the 1920s and even the 1930s, tourism began to develop as the important Arizonan industry it is today. Dude ranches, such as the K L Bar and Remuda in Wickenburg, along with the Flying V and Tanque Verde in Tucson, gave tourists

6016-401: The late 1880s, copper production eclipsed the precious metals with the rise of copper camps like Bisbee, Arizona , and Jerome, Arizona . The boom and bust economy of mining also left hundreds of ghost towns across the territory, but copper mining continued to prosper with the territory producing more copper than any other state by 1907, which earned Arizona the nickname "the Copper State" at

6110-418: The level of the surrounding plain. The crater itself is nearly a mile (1.6 kilometers) wide and 570 feet (170 m) deep. Arizona is one of two U.S. states, along with Hawaii, that does not observe Daylight Saving Time , though the large Navajo Nation in the state's northeastern region does. Due to its large area and variations in elevation, the state has a wide variety of localized climate conditions. In

6204-518: The lower elevations the climate is primarily desert, with mild winters and extremely hot summers. Typically, from late fall to early spring, the weather is mild, averaging a minimum of 60 °F (16 °C). November through February are the coldest months, with temperatures typically ranging from 40 to 75 °F (4 to 24 °C), with occasional frosts. About midway through February, the temperatures start to rise, with warm days, and cool, breezy nights. The summer months of June through September bring

6298-405: The most well-preserved meteorite impact sites in the world. Created around 50,000 years ago, the Barringer Meteorite Crater (better known simply as " Meteor Crater ") is a gigantic hole in the middle of the high plains of the Colorado Plateau, about 25 miles (40 km) west of Winslow . A rim of smashed and jumbled boulders, some of them the size of small houses, rises 150 feet (46 m) above

6392-441: The name "Territory of Arizona". The Southern territory supplied the Confederate government with men, horses, and equipment. Formed in 1862, Arizona scout companies served with the Confederate States Army during the American Civil War . Arizona has the westernmost military engagement on record during the Civil War with the Battle of Picacho Pass (1862). The Federal government declared a new U.S. Arizona Territory, consisting of

6486-473: The needs of senior citizens and attracted many retirees who wanted to escape the harsh winters of the Midwest and the Northeast . Sun City , established by developer Del Webb and opened in 1960, was one of the first such communities. Green Valley , south of Tucson, was another such community, designed as a retirement subdivision for Arizona's teachers. Many senior citizens from across the United States and Canada come to Arizona each winter and stay only during

6580-442: The northern states and Canada occasionally push into the state, bringing temperatures below 0 °F (−18 °C) to the state's northern parts. Indicative of the variation in climate, Arizona is the state which has both the metropolitan area with the most days over 100 °F (38 °C) ( Phoenix ), and the metropolitan area in the lower 48 states with the most days with a low temperature below freezing ( Flagstaff ). Arizona

6674-429: The population are followers of the Roman Catholic Church and the Church of Jesus Christ of Latter-day Saints . Arizona's population and economy have grown dramatically since the 1950s because of inward migration, and the state is now a major hub of the Sun Belt . Cities such as Phoenix and Tucson have developed large, sprawling suburban areas. Many large companies, such as PetSmart and Circle K , have headquarters in

6768-496: The primarily dry climate, large diurnal temperature variations occur in less-developed areas of the desert above 2,500 ft (760 m). The swings can be as large as 83   °F (46   °C) in the summer months. In the state's urban centers, the effects of local warming result in much higher measured night-time lows than in the recent past. Arizona has an average annual rainfall of 12.7 in (323 mm), which comes during two rainy seasons, with cold fronts coming from

6862-746: The several armies fighting in Mexico. Only two significant engagements took place on U.S. soil between U.S. and Mexican forces: Pancho Villa 's 1916 Columbus Raid in New Mexico and the Battle of Ambos Nogales in 1918 in Arizona. After Mexican federal troops fired on U.S. soldiers, the American garrison launched an assault into Nogales, Mexico . The Mexicans eventually surrendered after both sides sustained heavy casualties. A few months earlier, just west of Nogales, an Indian War battle had occurred, considered

6956-557: The signing of the Treaty of Cordoba in 1821, Mexico gained its independence from Spain, but the San Gabriel Mission near what is now Los Angeles, California , continued to expand, and established Rancho San Gorgonio in 1824. The ranch was to be one of the Mission's principal rancherias , and the most distant, and it occupied most of today's San Gorgonio Pass area. Following the Mexican secularization act of 1833 by

7050-548: The size of the State of New Jersey in total area. County government documents frequently cite the Colorado River town of Blythe as being a "three-hour drive" from the county seat, Riverside . Some view the areas west of San Gorgonio Pass as the Inland Empire portion of the county and the eastern part as either the Mojave Desert or Colorado Desert portion. There are probably at least three geomorphic provinces:

7144-471: The state, and Arizona is home to major universities, including the University of Arizona , Arizona State University , and Northern Arizona University . The state is known for a history of conservative politicians such as Barry Goldwater and John McCain , though it has become a swing state in recent years. The state's name appears to originate from an earlier Spanish name, Arizonac , derived from

7238-513: The state. After Maricopa County did not allow them to register to vote, in 1948 veteran Frank Harrison and Harry Austin, of the Mojave-Apache Tribe at Fort McDowell Indian Reservation , brought a legal suit, Harrison and Austin v. Laveen , to challenge this exclusion. The Arizona Supreme Court ruled in their favor. Arizona's population grew tremendously with residential and business development after World War   II, aided by

7332-528: The state. In 2004, voters passed Proposition 200 , requiring proof of citizenship to register to vote. The Supreme Court of the United States struck this restriction down in 2013. In 2010, Arizona enacted SB 1070 which required all immigrants to carry immigration papers at all times, but the Supreme Court also invalidated parts of this law in Arizona v. United States in 2012. On January 8, 2011,

7426-548: The sum of $ 15   million in compensation (equivalent to $ 528,230,769.23 in 2023) be paid to the Republic of Mexico. In 1853, the U.S. acquired the land south below the Gila River from Mexico in the Gadsden Purchase along the southern border area as encompassing the best future southern route for a transcontinental railway. What is now the state of Arizona was administered by the United States government as part of

7520-456: The territory gained and lost political influence with the growth and development of the territory. Although names including "Gadsonia", "Pimeria", "Montezuma" and "Arizuma" had been considered for the territory, when 16th President Abraham Lincoln signed the final bill, it read "Arizona", and that name was adopted. ( Montezuma was not derived from the Aztec emperor, but was the sacred name of

7614-599: The time of statehood. During the first years of statehood the industry experienced growing pains and labor disputes with the Bisbee Deportation of 1917 the result of a copper miners' strike. During the Mexican Revolution from 1910 to 1920, several battles were fought in the Mexican towns just across the border from Arizona settlements. Throughout the revolution, many Arizonans enlisted in one of

7708-700: The town of La Placita on the east side of the Santa Ana River at the northern extremity of what is now the city of Riverside in 1843. When the initial 27 California counties were established in 1850, the area today known as Riverside County was divided between Los Angeles County and San Diego County . In 1853, the eastern part of Los Angeles County was used to create San Bernardino County . Between 1891 and 1893, several proposals and legislative attempts were put forth to form new counties in Southern California. These proposals included one for

7802-628: The tribes' favor on February 25, 1987. In turn, Congress enacted the Indian Gaming Regulatory Act in 1988 to establish a legal framework for the relationship between Indian gaming and state governments. Naturally, both tribes now operate large casinos in the county: the Morongo Casino, Resort & Spa and the Fantasy Springs Resort Casino adjacent to Spotlight 29 Casino . According to

7896-730: The war by the Maytag family (of major home appliance fame). It was developed as the site of the Phoenix Zoo . A Japanese-American internment camp was on Mount Lemmon , just outside the state's southeastern city of Tucson. Another POW camp was near the Gila River in eastern Yuma County . Arizona was also home to the Phoenix Indian School , one of several federal Indian boarding schools designed to assimilate Native American children into mainstream European-American culture. Children were often enrolled in these schools against

7990-479: The western half of earlier New Mexico Territory, in Washington, D.C. , on February 24, 1863. These new boundaries would later form the basis of the state. The first territorial capital, Prescott, was founded in 1864 following a gold rush to central Arizona. The capital was later moved to Tucson, back to Prescott, and then to its final location in Phoenix in a series of controversial moves as different regions of

8084-635: The widespread use of air conditioning , which made the intensely hot summers more comfortable. According to the Arizona Blue Book (published by the Arizona Secretary of State 's office each year), the state population in 1910 was 294,353. By 1970, it was 1,752,122. The percentage growth each decade averaged about 20% in the earlier decades, and about 60% each decade thereafter. In the 1960s, retirement communities were developed. These age-restricted subdivisions catered exclusively to

8178-515: The winter months; they are referred to as snowbirds . In March 2000, Arizona was the site of the first legally binding election ever held over the internet to nominate a candidate for public office. In the 2000 Arizona Democratic Primary, under worldwide attention, Al Gore defeated Bill Bradley . Voter turnout in this state primary increased more than 500% over the 1996 primary. In the 21st century, Arizona has frequently garnered national attention for its efforts to quell illegal immigration into

8272-483: The wishes of their parents and families. Attempts to suppress native identities included forcing the children to cut their hair, to take and use English names, to speak only English, and to practice Christianity rather than their native religions. Numerous Native Americans from Arizona fought for the United States during World War   II. Their experiences resulted in a rising activism in the postwar years to achieve better treatment and civil rights after their return to

8366-487: Was historically a Republican stronghold in presidential and congressional elections. Between its creation in 1893 and 2004 , it voted for the Democratic presidential nominee only three times: Franklin D. Roosevelt in 1936 (by a margin of 337 votes, or 0.99%), Lyndon B. Johnson in 1964 (by a margin of 19,363 votes, or 13.65%), and Bill Clinton in 1992 (by a margin of 6,784 votes, or 1.58%). In 1932 , it

8460-464: Was incorporated in 1877, making it the oldest incorporated city in Arizona. It is home to the University of Arizona . Major incorporated suburbs of Tucson include Oro Valley and Marana northwest of the city, Sahuarita south of the city, and South Tucson in an enclave south of downtown. It has an average July temperature of 100   °F (38   °C) and winter temperatures averaging 65   °F (18   °C). Saguaro National Park , just west of

8554-417: Was of Mexican origin, 0.8% Salvadoran, 0.7% Honduran, 0.6% Puerto Rican, 0.3% Cuban, and 0.2% Nicaraguan descent. As of the census of 2000, there were 1,545,387 people, 506,218 households, and 372,576 families residing in the county. The population density was 214 inhabitants per square mile (83/km ). There were 584,674 housing units at an average density of 81 per square mile (31/km ). The racial makeup of

8648-465: Was one of only two counties in the entire West Coast to vote for Republican president Herbert Hoover over Roosevelt during the latter's landslide victory. In 2024, it was one of eight counties that flipped for Donald Trump after voting for Biden in 2020 , and was one of five counties that voted for the Republican presidential candidate for the first time since George W. Bush in 2004 In

8742-523: Was reopened and rededicated in September 1998. Riverside County hands down 1 in 6 death sentences in the US, in spite of it having less than 1% of the population. The Riverside County Sheriff provides court protection, jail administration, and coroner services for all of Riverside County. It provides patrol, detective, and other police services for the unincorporated areas of the county plus by contract to

8836-598: Was the next European in the region. A member of the Society of Jesus (" Jesuits "), he led the development of a chain of missions in the region. He converted many of the Indians to Christianity in the Pimería Alta (now southern Arizona and northern Sonora ) in the 1690s and early 18th century. Spain founded presidios ("fortified towns") at Tubac in 1752 and Tucson in 1775. When Mexico achieved its independence from

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