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The New Mexico Territory became an organized territory of the United States on September 9, 1850, and it existed until New Mexico became the 47th state on January 6, 1912.The land that later became New Mexico was patched together over 50 years. Part of northeastern New Mexico was included in the Louisiana Purchase from France in 1803. The western portion of New Mexico came from the Treaty of Guadalupe Hidalgo in 1848, while the remainder of eastern New Mexico (from the Rio Grande to the present New Mexico- Texas border) was added as consequence of the Compromise of 1850. The Gadsden Purchase of 1853 added a smaller additional area to New Mexico Territory—the southernmost strip of Arizona and New Mexico.
The land contained in the original 1850 New Mexico Territory was the western portion of the future state, plus most of future ArizonaArizona was the 48th state admitted to the United States and is part of the Southwest United States. It is one of the Four Corners states, south and east of the Colorado River, bordering New Mexico, Utah, Nevada, California and Mexico. Its major cities ar (known as Santa Ana CountySanta Ana County does not exist today. It was one of the seven original partidos created under Mexican rule. Then, under U. rule, it became a U. Territorial county from 1852 until 1876, when it was absorbed by Bernalillo County. Santa Ana County was in Ju), a small part of ColoradoThere are also three Colorado Rivers: two in the United States and one in Argentina. Colorado is a state in the western United States. The name of Colorado came from the Spanish word "colorado" which means "reddish color". The name comes from the Colorado, and NevadaNevada is a state located in the western United States. The population, as of 2000, is 1,998,257. Nevada is the fastest growing state in the country. Between 2000 and 2003, Nevada's population increased 12. 2%, while the USA's population increased 3. south of 36° 30' NThe Missouri Compromise also called the Compromise of 1820 was an agreement passed in 1820 between the pro- slavery and anti-slavery factions in the United States, involving primarily the regulation of slavery in the western territories. A bill to enable. The Texan cession and the Gadsden Purchase expanded the territory greatly, but the establishment of Colorado TerritoryThe Colorado Territory was a historic, organized territory of the United States that existed between 1861 and 1876. Its boundaries were identical to the current State of Colorado. The territory was organized by Act of Congress on February 28, 1861, out of on February 28February 28 is the 59th day of the year in the Gregorian Calendar. There are 306 days remaining, 307 in leap years. Events 364 Valentinian I is elevated as Roman Emperor. 1258 Hulagu Khan sacks Baghdad 1700 February 28 is followed by March 1 in Sweden, th, 18611861 is a common year starting on Tuesday. Events January January 1 Benito Juarez captures Mexico City January 2 Friedrich Wilhelm IV of Prussia dies and is succeeded by Wilhelm I January 3 American Civil War: Delaware votes not to secede from the United and of Arizona Territory on February 24, 1863 (west of the 109th meridian) left New Mexico with its present boundaries.
As the route to California, New Mexico and Arizona were disputed territory during the American Civil War, resulting in an attempt to join the Confederate States of America and the Battle of Glorieta Pass.
See also: Historic regions of the United States
U.S. historical regions and territories
New Mexico history
