Answer:
Explanation• 1834 Permanent Indian Frontier set up 
• 1843 First settlers arrive in Oregon encouraged by government legislation 
• 1844 Mormon persecution in Nauvoo 
• 1846 Donner Party head west but meet with disaster and death 
• Mormons travel to the Great Salt Lake having been driven out of Nauvoo 
• 1848 Gold discovered in California 
• 1850s First homesteaders move to the Plains 
• 1851 Fort Laramie Treaty (1) 
• 1858–59 Gold discovered in the Pikes Peak region of the Rocky Mountains 
• 1859 Gold mines opened in Colorado and Nevada 
• 1861 Start of the American Civil War between North and South America 
• 1862 Homestead Act 
• Little Crow’s War 
• Pacific Railway Act passed and work begins on the transcontinental railway 
• 1864 Sand Creek Massacre 
• 1865 End of the American Civil War 
• Slavery abolished in the US 
• 1866 Group of US army soldiers wiped out at Fetterman’s Trap by Plains Indians 
• Red Cloud’s War on the US Government in their attempt to build forts in Montana 
• Goodnight and Loving reach Fort Sumner with 1,700 cattle 
• 1867 Medicine Lodge Creek 
• Abilene becomes the first cow town 
• ‘The Beef Bonanza’ 
• 1868 ‘The Winter Campaign’ 
• Fort Laramie Treaty (2) 
• 1869 Railroad completed despite opposition from some Americans 
• 1870 Cattle Ranching begins on the Plains which led to the ‘Open Range’ 
• 1873 Timber and Culture Act 
• 1874 Barbed wire begins to be mass-produced 
• Wind-powered water pump introduced 
• Custer leads expedition to the Black Hills ignoring the 
• Treaty of Fort Laramie 
• 1876 The Great Sioux War begins between the US Army and the Sioux Indians 
• Battle of the Little Big Horn 
• 1881 Sitting Bull and followers surrender to the American government 
• 1885 All Plains Indians are resettled on to reservations 
• Northern herd of buffalo is completely destroyed 
• 1886 Severe winter leads to smaller ranches with barbed fences and wind pumps that eventually lead to 
the end of the cowboy era 
• 1887 Dawes Act 
• 1890 Battle of Wounded Knee 
• US government closes frontier in which the Plains Indians had lost their land 
• 1892 Johnson County War 
American West key dates 
These are the key dates to learn for the American West.