What was the discovery that made Albert Einstein famous?   The most famous discovery he ever made: The Theory of Relativity which is E=mc squared   His most famous invention: i reely hav no freekin clue. i cant even find it â¦ on this site.
Charles Drayton Gibbes, A New Map of the Gold. Region in California, 1851, Harvard Map Collection. 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.n addition to massive emigration from the eastern US, the California gold rush triggered a global emigration of ambitious fortune-seekers from China, Germany, Chile, Mexico, Ireland, Turkey, and France.
Official State Mineral of California. California designated gold as the official state mineral in 1965. All State Minerals. The gold rush that followed the discovery of gold at Sutter's Mill in 1848 is an integral part of the history and culture of California. California's population exploded from 14,000 to 250,000 people in just four years after gold was discovered (prospectors are still panning for gold in California's streams).