Territorial evolution of Utah

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The territorial evolution of Utah includes the creation, modification, and reorganization of the U.S. state of Utah's borders from its initial establishment as a territory to its current state boundaries.

Early History[edit | edit source]

Before the arrival of European settlers, the area now known as Utah was inhabited by various Native American tribes, including the Ute, Paiute, Goshute, and Navajo tribes. The region was first explored by Europeans in the 18th century, primarily by Spanish explorers.

Mexican Territory[edit | edit source]

In 1821, the area became part of Mexico following its independence from Spain. This status remained until the end of the Mexican-American War in 1848, when the Treaty of Guadalupe Hidalgo ceded the territory to the United States.

Establishment of Utah Territory[edit | edit source]

The Utah Territory was established on September 9, 1850, as part of the Compromise of 1850. The original territory included all of present-day Utah, most of Nevada, and portions of Colorado and Wyoming. The territory was named after the Ute tribe.

Boundary Changes[edit | edit source]

Over the years, the boundaries of the Utah Territory were altered several times:

  • In 1861, the creation of the Colorado Territory and the Nevada Territory reduced the size of the Utah Territory.
  • In 1862, the eastern portion of the Utah Territory was transferred to the newly created Nebraska Territory.
  • In 1864, the western boundary was moved eastward, further reducing the size of the Utah Territory.

Statehood[edit | edit source]

Utah was admitted to the Union as the 45th state on January 4, 1896. The current boundaries of Utah were established at this time.

Related Pages[edit | edit source]

Contributors: Prab R. Tumpati, MD