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
2010 United States House of Representatives elections in California 2010 United States House of Representatives elections in California The United States House of Representatives elections in California, 2010 were held on November 2, 2010 to determine who would represent California's various congressional districts in the United States House of Representatives. In the 112th Congress, California has 53 seats in the House, apportioned accordingly after the 2000 United States Census. Representatives were elected to two-year terms; those elected serve in the 112th Congress from January 3, 2011 to January 3, 2013. According to CQ Politics, the districts considered the most competitive are the 3rd and 11th, with the 44th, 45th,