El Dorado County, California along with the population since the 1960 Winter Olympics, hosted at Squaw Valley Ski Resort in neighboring Placer County. The present-day site of El Dorado County was once home to the Maidu, Washoe, and Miwok Native American tribes, and is notable for being the site of the 1848 gold discovery that sparked the California Gold Rush. The County of El Dorado was one of California's original 27 counties created effective February 18, 1850 (the number has risen to 58 today). Its name is derived from the Spanish meaning "the gilded/golden". The final segments of the Pony Express mail route ran
El Dorado, Arkansas known as being the heart of the 1920s oil boom in southern Arkansas. Its nickname is "Arkansas’s Original Boomtown". During World War II, it became a center of the chemical industry, which still plays a part in the economy, as do oil and timber. El Dorado is located approximately from the state capital of Little Rock. On May 21, 1919, Frank Livingston, a black World War I veteran accused of murder with scant evidence, was burned alive by a mob in El Dorado. El Dorado is located at (33.213521, -92.662553). in Union County, Arkansas in the southern part of the