<Tr> <Td> </Td> <Td> Wyoming Territory formed </Td> <Td> July 25, 1868 </Td> </Tr> <Tr> <Td> </Td> <Td> Statehood </Td> <Td> January 4, 1896 </Td> </Tr> <P> The Territory of Utah was an organized incorporated territory of the United States that existed from September 9, 1850, until January 4, 1896, when the final extent of the territory was admitted to the Union as the State of Utah, the 45th state . </P> <P> The territory was organized by an Organic Act of Congress in 1850, on the same day that the State of California was admitted to the Union and the New Mexico Territory was added for the southern portion of the former Mexican land . The creation of the territory was part of the Compromise of 1850 that sought to preserve the balance of power between slave and free states . With the exception of a small area around the headwaters of the Colorado River in present - day Colorado, the United States had acquired all the land of the territory from Mexico with the Treaty of Guadalupe Hidalgo of 1848 . </P>

When did utah become part of the united states