American west key dates

1845-Manifest destiny

1846-Donner party fail

1847-Mormons reach Salt Lake

1848-gold discovered in California

1851-Fort Laramie treat US goverement get Indians to sign to stop attacks and Indians are promised land

1850-The peak year for immigration West

1858-59-Gold discovered in the Rocky Mountains

1861-Gold found on Indian land ,white men surge the area,ignoring the Fort Laramie treaty 0f 1851

1862-Homestead act,100's of families moved to the Plains.Railroad…