Arizona Territory 1877. The capital was finally moved to Phoenix on February 4, 1889. The territory was admitted to the Union as the 48th state on February 14, 1912. Proclamation to the People of Arizona. Arizona Territory The Territory of Arizona (also known as Arizona Territory) was a territory of the United States that existed from February 24, 1863 until February 14, 1912, when the remaining extent of the territory was admitted to the Union as the state of Arizona. It was created from the western half of the New Mexico Territory during the American Civil War. Following the expansion of the
1912 State of the Union Address garrisons of our various insular possessions, we have to-day within the continental United States a mobile Army of only about 35,000 men. This little force must be still further drawn upon to supply the new garrisons for the great naval base which is being established at Pearl Harbor, in the Hawaiian Islands, and to protect the locks now rapidly approaching completion at Panama." 1912 State of the Union Address The 1912 State of the Union Address was given on Tuesday, December 3, 1912. It was written by William H. Taft, the 27th President of the United States. He stated, "The