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
United Nations Association of the United States of America United Nations Association of the United States of America The United Nations Association of the United States of America (UNA-USA) is a nonprofit membership organization dedicated to building understanding of and support for the ideals and work of the United Nations among the American people. Its education, policy and advocacy programs emphasize the importance of cooperation among nations and the need for American leadership at the UN. UNA-USA is affiliated with the World Federation of United Nations Associations, which began in 1946 as a public movement for the UN. It has 135 community based chapters across the United States, and