Desert Training Center

Historical marker location:
Chiriaco Summit, California
( Marker can be reached from Chiriaco Road (Business Interstate 10) just north of Summit Road, on the left when traveling east.)
Marker installed: 1989

California Arizona Maneuver Area

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The California Gold Rush of 1849 brought a huge influx of people to the state. In just two years, the population of San Francisco grew from 1,000 to 25,000. However, only a small percentage of gold-seekers actually struck it rich, and many ended up in debt or poverty.
Riverside County, located in Southern California, has a rich and diverse history that dates back thousands of years. The area was originally inhabited by several Native American tribes, including the Cahuilla, Serrano, and LuiseƱo peoples, who lived off the land and established their own unique cultures.

The arrival of Spanish explorers in the 18th century had a significant impact on Riverside County's history. Spanish missionaries established missions in the region, bringing Christianity and agricultural practices. The Spanish rule lasted until the early 19th century, when Mexico gained independence from Spain. The area then became part of Alta California.

In the mid-19th century, gold was discovered in California, sparking the famous Gold Rush. This led to a rapid influx of settlers into Riverside County, as people from all over the world came in search of fortune. Towns such as Riverside and San Jacinto grew rapidly, and agriculture became a major industry in the region.

The late 19th and early 20th centuries saw further development in Riverside County. The construction of railroads connected the region to larger cities like Los Angeles, making it easier for goods and people to move in and out of the area. The county also became known for its citrus industry, with vast orange groves covering the landscape.

In the modern era, Riverside County has grown into a populous and thriving region. It is home to several vibrant cities, including Riverside, Palm Springs, and Temecula. The county continues to be known for its agriculture, but has also diversified its economy with industries such as healthcare, education, and manufacturing. Today, Riverside County is a popular tourist destination, boasting picturesque landscapes, historic sites, and a rich cultural heritage.

This timeline provides a glimpse into the major events and milestones that have shaped the history of Riverside County, California.

  • 1774 - Juan Bautista de Anza leads an expedition through Riverside County
  • 1821 - Mexico gains independence from Spain
  • 1824 - Riverside County becomes part of Mexico's Alta California province
  • 1848 - California becomes part of the United States after the Mexican-American War
  • 1850 - Riverside County is established as one of the original 27 counties of California
  • 1870 - The city of Riverside is founded
  • 1893 - The Mission Inn, a historic landmark in Riverside, is first opened
  • 1942 - The Naval Air Station in Corona is established during World War II
  • 1978 - Designated as a "playground of the stars," Palm Springs becomes a popular destination for celebrities
  • 1993 - The State Water Project is completed, providing water to Riverside County
  • 2010 - Riverside County becomes the fourth-most populous county in California