History of immigration to the United States 1850. In 1848, the Treaty of Guadalupe Hidalgo, concluding the Mexican War, extended U.S. citizenship to approximately 60,000 Mexican residents of the New Mexico Territory and 10,000 living in California. An additional approximate 2,500 foreign born California residents also become U.S. citizens. In 1849, the California Gold Rush attracted 100,000 would-be miners from the Eastern U.S., Latin America, China, Australia, and Europe. California became a state in 1850 with a population of about 90,000. Between 1850 and 1930, about 5 million Germans migrated to the United States, peaking between 1881 and 1885 when a million Germans settled primarily in the
Asylum architecture in the United States of America Asylum architecture in the United States of America Asylum Architecture in the United States, including the architecture of psychiatric hospitals, affected the changing methods of treating the mentally ill in the nineteenth century: the architecture was considered part of the cure. Doctors believed that ninety percent of insanity cases were curable, but only if treated outside the home, in large-scale buildings. Nineteenth-century psychiatrists considered the architecture of asylums, especially their planning, to be one of the most powerful tools for the treatment of the insane, targeting social as well as biological factors to facilitate the treatment of mental illnesses. The