when did salt lake city became the capital of utah
History of Salt Lake City The Congress organized the Utah Territory out of the "State of Deseret" in 1850, and a few months later on January 6, 1851 the city was formally organized as "The City of the Great Salt Lake". Originally, Fillmore, Utah was the territorial capital, but in 1856 it was moved to Salt Lake City, where it has stayed ever since. The city's name was officially changed to "Salt Lake City" at the same time.