William Becknell arrived in Santa Fe from Independence, MO, this date 1821. It’s the birthday of the Santa Fe Trail

William Becknell arrived in Santa Fe from Independence, MO, this date 1821. It's the birthday of the Santa Fe Trail.

— NewMexiKen (@NewMexiKen) November 16, 2013

Click here go to the Wikipedia page. The Mountain Route traversed part of southern Colorado.