Arizona, formerly part of the Territory of New Mexico, was organized as a separate territory on this day in 1863. The United States had acquired the region under the terms of the 1848 Treaty of ...

Arizona was formerly known as the "Gadsden Purchase," from having been purchased by the United States Government ... "All that part of the present Territory of New-Mexico situate west of a line ...

Arizona is located in the western region of the United States. It has geographical borders with Utah, Colorado, and New Mexico ... and understand the complex territory.

Mexico agreed to cede more than half its territory to the United States. An area covering most of present-day Arizona, California, Nevada, New Mexico and Utah, plus parts of several other states ...