Statehood Day (Arizona, United States)
List of U.S. states by date of admission to the Union
A state of the United States is one of the 50 constituent entities that shares its sovereignty with the federal government. Americans are citizens of both the federal republic and of the state in which they reside, due to the shared sovereignty between each state and the federal government. Kentucky, Massachusetts, Pennsylvania, and Virginia use the term commonwealth rather than state in their full official names.
Arizona
Arizona is a state in the Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the northwest and California to the west, and shares an international border with the Mexican states of Sonora and Baja California to the south and southwest. Its capital and largest city is Phoenix, which is the most populous state capital and fifth most populous city in the United States. Arizona is divided into 15 counties.