The history of New Mexico is based on archaeological evidence, attesting to the varying cultures of humans occupying the area of New Mexico since approximately 9200 BCE, and written records. The earliest peoples had migrated from northern areas of North America after leaving Siberia via the Bering Land Bridge. Artifacts and architecture demonstrate ancient complex cultures in this region.
The first written records of the region were made by the Spanish conquistadors, who encountered Native American Pueblos when they explored the area in the 16th century. Since that time, the Spanish Empire, Mexico, and the United States (since 1787) have claimed control of the area.[1]
The area was governed as New Mexico Territory until 1912, when it was admitted as a state. The relatively isolated state had an economy dependent on mining. Its residents and government suffered from a reputation for corruption and extreme traditionalism. New Mexico introduced the Atomic Age in 1945, as the first nuclear weapons were developed by the federal government in the research center it established at Los Alamos. Ethnically, New Mexico's population consists of a mixture of Native Americans, Hispanics, and Anglos.