The great majority of Hispanics who had been living in the former territories of New Spain remained and became American citizens in 1848. The 10,000 or so Californios lived in southern California and after 1880 were overshadowed by the hundreds of thousands of arrivals from the east. Those in New Mexico dominated towns and villages that changed little until well into the 20th century. New arrivals from Mexico arrived, especially after the Revolution of 1911 terrorized thousands of villages all across Mexico. Most refugees went to Texas or California, and soon poor barrios appeared in many border towns. Early on there was a criminal element as well. The California "Robin Hood", Joaquin Murieta, led a gang in the 1850s which burned houses, killed miners, and robbed stagecoaches. In Texas, Juan Cortina led a 20-year campaign against Anglos and the Texas Rangers, starting around 1859.