TIL of the California Genocide, an oft-forgotten event in U.S. history due to occurring at the same time at the California Gold Rush. The Native American population of California decreased from as many as 150,000 in 1848 to 30,000 in 1870. Tribes such as the Yahi were hunted to extinction. from r/todayilearned
https://en.wikipedia.org/wiki/California_genocide
https://www.history.com/news/californias-little-known-genocide