Mexican independence opens New Mexico to U.S. tradeSep 27, 1821Labels: Mexican Independence, New MexicoNPS Article
William Becknell arrives in Santa FeNov 16, 1821Labels: William Becknell, Santa FeNPS TimelineHISTORY
Cimarron Cutoff becomes a major trail optionJan 1, 1822Labels: Cimarron Route, Mountain RouteNPS Timeline
Independence, Missouri becomes a major outfitting pointMar 1, 1827Labels: Independence MissouriNPS Timeline
Santa Fe Trail commerce expands into northern MexicoJan 1, 1830Labels: Northern Mexico, Santa FeSFTA HistoryNPS Article
Bent’s Fort built as a key trading hubJan 1, 1833Labels: Bent's Fort, Arkansas RiverNPS Bent sWikipedia
U.S. Army uses the trail in the Mexican–American WarJun 30, 1846Labels: U S, Mexican AmericanNPS Fort UnionWikipedia
Kearny occupies Santa Fe without major fightingAug 15, 1846Labels: Stephen Kearny, Santa FeWikipediaNPS Fort Union
Treaty of Guadalupe Hidalgo redraws the borderFeb 2, 1848Labels: Treaty of, U SNational ArchivesBritannica
Fort Union established to supply and protect the routeJul 16, 1851Labels: Fort Union, Santa FeNPS HandbookNPS Fort Union
Fort Larned begins guarding central trail trafficOct 22, 1859Labels: Fort Larned, Pawnee ForkNPS Fort LarnedNPS Forts
Fort Union supports heavy Civil War–era freightingJan 1, 1861Labels: Fort Union, Civil WarNPS Fort Union
Railroads shorten the trail’s commercial dominanceJan 1, 1866Labels: Railroads, Post-Civil WarNPS Article
Rail connection reaches Santa Fe, ending the trail eraJan 1, 1880Labels: Rail connection, Santa FeNPS ArticleWikipedia