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.
He was wrong and, less than six years later, Mexico would cede California to the United States nine days after the largest gold strike in history. THE GOLD RUSH: James Marshall discovered gold at Sutter's Mill on the American River near Coloma, California, on January 24, 1848.He reported the find to his partner, John Sutter, on January 28, 1848. Even though Sutter and Marshall tried to keep the discovery a secret, word began to leak out within a few days.HE GOLD RUSH: James Marshall discovered gold at Sutter's Mill on the American River near Coloma, California, on January 24, 1848. He reported the find to his partner, John Sutter, on January 28, 1848.