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
The History of the United States of America 1801–1817 The History of the United States of America 1801–1817 The History of the United States of America 1801 – 1817, also known as The History of the United States During the Administrations of Thomas Jefferson and James Madison, is a 9-volume history written by American intellectual Henry Adams, and first published between 1889 and 1891. The entire work has been reprinted many times, most often in a 2-volume format. Historian Garry Wills has described it as "the greatest prose masterpiece of non-fiction in America in the 19th century." The first six chapters of the first volume have also been published