The Great Encounter By jf11231 Period: Jan 1, 1760 to Dec 31, 1840 Great Encounter Dec 31, 1765 Juan Rivera crosses into present-day Monticello, Utah. Dec 31, 1776 Father Dominguez and Escalante enter Utah. Dec 31, 1800 Early 1800s. Europeans wore tall felt hats made of beaver fur Dec 31, 1821 Spanish rule of North America ends. Dec 31, 1824 Etienne Provost, Jim, Bridger, and Peter Skene Ogden tavel in the Utah region Dec 31, 1825 The first rendevous is hed on Green River, Wyoming Dec 31, 1827 Jedediah Smith blazes a trail from Utah to California Dec 31, 1830 The Old Spanish Trail is used for trade Dec 31, 1833 Joseph Walker stops at the valley of the Great Salt Lake Dec 31, 1840 The trapping era ends