How did John Sutter effect California history?

John Sutter played a pivotal role in California history by establishing Sutter's Fort in 1839, which became a key trading post and agricultural hub for settlers and explorers. His discovery of gold on his property in 1848 at Sutter's Mill triggered the California Gold Rush, attracting hundreds of thousands of prospectors and transforming the region's economy and Demographics. This influx of settlers led to California's rapid admission as a state in 1850, fundamentally altering its social and political landscape. Sutter's legacy is thus intertwined with the transformative events that shaped modern California.