Hartwell, John S. House
423 Lincoln Ave., Pasadena, CA Local significance of the building: Architecture
Listed in National Register of Historic Places in 2011.
About National Register Listings
The National Register of Historic Places is the official list of the Nation’s historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service’s National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America’s historic and archeological resources.
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California was once a part of Mexico before it became a U.S. state. Mexico gained independence from Spain in 1821 and California became a Mexican territory. However, in 1846, the U.S. declared war on Mexico and after a brief conflict, California was ceded to the U.S. as a part of the Treaty of Guadalupe Hidalgo in 1848.
About Los Angeles County
Los Angeles County Timeline
Los Angeles County, located in Southern California, has a rich and complex history that dates back thousands of years. The area was originally inhabited by various indigenous tribes, including the Tongva and Chumash people. In 1542, Spanish explorer Juan Rodriguez Cabrillo claimed the region for Spain, but it was not until the late 18th century that Spanish missionaries began to establish settlements.
In 1781, a group of settlers known as the Los Pobladores founded the town of El Pueblo de Nuestra Señora la Reina de los Ángeles, which would later become known as Los Angeles. The Spanish rule eventually gave way to Mexican control following their independence from Spain, and Los Angeles became part of Mexico.
With the Treaty of Guadalupe Hidalgo in 1848, the United States gained control of California, including Los Angeles County. The California Gold Rush of 1849 and the completion of the Southern Pacific Railroad in the 1870s brought an influx of people, promoting growth and development in the region.
By the early 20th century, Los Angeles County became a hub for the movie industry and emerged as a center for entertainment and innovation. The film industry played a significant role in shaping the cultural and economic landscape of the county. Additionally, the completion of the Los Angeles Aqueduct in 1913 brought a reliable water supply, allowing for further expansion.
Today, Los Angeles County is the most populous county in the United States. It is known for its diverse population, ranging from various ethnic backgrounds to vibrant art scenes and technological advancements. With iconic landmarks such as the Hollywood Sign, the Getty Center, and the beaches of Santa Monica, Los Angeles County continues to be a significant cultural, economic, and entertainment center.
In 1781, a group of settlers known as the Los Pobladores founded the town of El Pueblo de Nuestra Señora la Reina de los Ángeles, which would later become known as Los Angeles. The Spanish rule eventually gave way to Mexican control following their independence from Spain, and Los Angeles became part of Mexico.
With the Treaty of Guadalupe Hidalgo in 1848, the United States gained control of California, including Los Angeles County. The California Gold Rush of 1849 and the completion of the Southern Pacific Railroad in the 1870s brought an influx of people, promoting growth and development in the region.
By the early 20th century, Los Angeles County became a hub for the movie industry and emerged as a center for entertainment and innovation. The film industry played a significant role in shaping the cultural and economic landscape of the county. Additionally, the completion of the Los Angeles Aqueduct in 1913 brought a reliable water supply, allowing for further expansion.
Today, Los Angeles County is the most populous county in the United States. It is known for its diverse population, ranging from various ethnic backgrounds to vibrant art scenes and technological advancements. With iconic landmarks such as the Hollywood Sign, the Getty Center, and the beaches of Santa Monica, Los Angeles County continues to be a significant cultural, economic, and entertainment center.
Los Angeles County Timeline
This timeline provides a condensed summary of the historical journey of Los Angeles County, California.
- 1781: El Pueblo de Nuestra Señora la Reina de los Ángeles, the settlement that would later become Los Angeles, was founded by Spanish governor Felipe de Neve.
- 1821: Mexico gained independence from Spain, and El Pueblo de los Ángeles became a part of Mexico.
- 1848: The Treaty of Guadalupe Hidalgo was signed, ending the Mexican-American War and transferring California to the United States.
- 1850: California was admitted as the 31st state, and Los Angeles County was established.
- 1876: The Southern Pacific Railroad arrived in Los Angeles, prompting significant population growth and economic development.
- 1884: The construction of the Los Angeles Aqueduct began, providing a reliable water supply and supporting further expansion.
- 1909: The Hollywood film industry began to take shape, leading to the rapid growth of the entertainment sector in Los Angeles.
- 1923: The first permanent film studio, Paramount Pictures, was established in Hollywood.
- 1932: The Olympic Games were held in Los Angeles, boosting the city's international reputation.
- 1942: During World War II, Los Angeles played a key role in the defense industry and experienced a population increase due to wartime manufacturing.
- 1965: The Watts Riots took place in Los Angeles, highlighting racial tensions and social inequality.
- 1984: Los Angeles hosted the Summer Olympics for the second time, showcasing the city's ability to hold major international events.
- 1994: The Northridge earthquake struck Los Angeles, causing significant damage and loss of life.