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The California Gold Rush was sparked by the discovery of gold nuggets in the Sacramento Valley in early 1848 and was arguably one of the most significant events to shape American history during the first half of the 19th century.
The Gold Rush significantly influenced the history of California and the United States. It created a lasting impact by propelling significant industrial and agricultural development and helped shape the course of California's development by spurring its economic growth and facilitating its transition to statehood
The gold rush also was a catastrophe to some. the peaceful people indigenous to the area were decimated and perished in great numbers from starvation, disease, abuse, and massacre. Their society, habitat, infrastructure and culture were destroyed. Lands and environments were destroyed because of floods of mud
On February 2, 1848, the Treaty of Guadelupe Hidalgo was signed, formally ending the war and handing control of California to the United States. Neither side knew that gold had recently been discovered at the sawmill Swiss immigrant John Sutter was building near Coloma.
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