Webon january 24, 1848, james w. Marshall discovered gold at sutter’s mill in coloma, california. Though he tried to keep it quiet, word spread and soon there was a surge in. Webword of his discovery quickly spread around the world, kicking off the california gold rush. Over the next seven years, hundreds of thousands of people flocked to what. Webwhen gold was discovered in coloma on january 24, 1848, it kicked off one of the largest mass migrations in history. As news of the discovery spread, people from all around the. Webthe california gold rush was the most significant event in the history of the settlement of the western frontier. The initial discovery was made in january 1848, but news traveled. Webthis year marks the 170th anniversary of the discovery of gold at sutter’s mill, north of sacramento. The legacy of the gold rush is inescapable in northern. Webuncover the history of california's gold rush through nhm's gem and mineral hall. California's nicknamed the golden state, and it's not just for our sunshine. Webuncover the secrets hidden inside the most dangerous prison in california: Weba sawmill worker discovers gold along the american river near sacramento in 1848. Soon more than 300,000 people rush to california, eager to take big risks in the.