1911 United States House of Representatives election in Arizona clause for admitting Arizona Territory and New Mexico Territory as a single state, but that clause was removed in the final version. Arizona was the last territory in the contiguous United States, and after Arizona's admission, it would be another 47 years before another State (Alaska) was admitted. 1911 United States House of Representatives election in Arizona Arizona's first election to the United States House of Representatives was held December 11, 1911, for the 62nd Congress Arizona joined the union as the 48th state on February 14, 1912, having already elected its first Representative in December. Arizona Territory had been
Admission to the Union President would issue a proclamation announcing that a new state has been added to the Union. While Congress, which has ultimate authority over the admission of new states, has usually followed this procedure, there have been occasions (due to unique case-specific circumstances) where it did not. Congress is under no obligation to admit states, even in those areas whose population expresses a desire for statehood. In one instance, Mormon pioneers in Salt Lake City sought to establish the state of Deseret in 1849. It existed for slightly over two years and was never approved by the United States Congress. In