The California Gold Rush, 1849. In January 1848, James Wilson Marshall discovered gold while constructing a saw mill along the American River northeast of present-day Sacramento. The discovery was reported in the San Francisco newspapers in March but caused little stir as most did not believe the account. ... Gold!
The California Gold Rush (1848–1855) began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California. The news of gold brought some 300,000 people to California from the rest of the United States and abroad.
The Gold Rush had devastating effects on California's environment. This eventually lead to laws restricting mining on rivers, hydraulic mining ended up being outlawed. In total, about 250,000 people came to California in the gold rush. ... By 1852 there were over 2,000 African Americans living in California.Jun 8, 2014
Miners extracted more than 750,000 pounds of gold during the California Gold Rush. Just days after Marshall's discovery at Sutter's Mill, the Treaty of Guadalupe Hidalgo was signed, ending the Mexican-American War and leaving California in the hands of the United States.
California Gold Rush (1848–1858) The great California gold rush began on January 24, 1848, when James W. Marshall discovered a gold nugget in the American River while constructing a sawmill for John Sutter, a Sacramento agriculturalist.