The history of slavery in California began with the enslavement of Indigenous Californians under Spanish colonial rule. The arrival of the Spanish colonists introduced chattel slavery and involuntary servitude to the area. Over 90,000 Indigenous peoples were forced to stay at the Spanish missions in California between 1770 and 1834, being kept in well-guarded mission compounds. This has been described as de facto slavery, as they were forced to work on the mission's grounds amid abuse, malnourishment, overworking, and a high death rate. Indigenous girls were taken from their parents to be housed in guarded dormitories known as monjeríos for conversion to Catholicism and control over their sexuality.
White colonists from the Southern and Eastern United States brought their systems of organized slavery to California. Several thousand free and enslaved people of African ancestry were part of the California Gold Rush (1848–1855). Some were able to buy their freedom and freedom for their families, primarily in the South, with the gold they found. This included enslaved African American Edmond Edward Wysinger (1816–1891). After arriving...