| A | B |
|---|
| 1540 | Cardenas may have sighted Utah. |
| 1776 | Fathers Escalante and Domingues explore |
| 1819 | Canadian fur trappers arrive. |
| 1824 | Jim Bridger reaches Great Salt Lake |
| 1825 | Firust fur trappers rendevouz |
| 1826 | Jedidiah Smith first crosses Utah. |
| 1844-46 | Miles Goodyear establishes first permanent settlement. |
| 1848 | Gulls help save crops. |
| 1849 | Forty-niners break Mormon isolation. |
| 1858 | End of "Utah War" |
| 1861 | Overland telegraph completed. |
| 1865 | Ute-Black Hawk war begins. |
| 1869 | Transcontinental railroad joined in Utah. |
| 1909 | Rainbow Bridge discovered. |
