During the California Gold Rush era, thousands of Native Californians were killed as settlers, militias, and local authorities pushed Indigenous communities off their land. #CaliforniaGenocide #NativeAmericanHistory #HiddenHistory #IndigenousHistory #AmericanHistory Gold Rush impact on Native Americans California Indian population decline 19th century settler militias California Native tribes California state policy Native Americans 1850s history of Native Americans in California Indigenous resi