1000: Woodland Period including the Adena and Hopewell cultures established along rivers in the Northeastern and Midwestern United States which included trade exchange systems
1580: The Spanish make the first white contact with the Shoshone tribe
1637: It was about this time that the Shoshone tribe acquired their first horses
1700's: The Shoshone tribe travel south to the Snake River plain of present-day Idaho, and form an alliance with the Bannock tribe
1700's: During the late 1700's the Shoshone tribe acquired horses and migrated to Idaho, Utah, Nevada, and Montana and adopt the culture of the Great Plains tribes
1781: Smallpox epidemic kills many people
1805: The Lewis and Clark expedition passed through the region and are joined by the Shoshone woman Sacajawea who acted as a guide and translator
1825: Mountain man Jedediah Smith (January 6, 1799 – May 27, 1831) established trade relations with the Shoshone tribe and establishes the first Rocky Mountain rendezvous (1825 - 1840) at Green River in Wyoming
1841-1869: The Oregon Trail invades the homelands of the Shoshone and Bannock tribes
1847: Mormons settled in the Great Salt Lake valley
1848: Outbreak of a series of devastating cholera and smallpox epidemic
1855: The Treaty of Hellgate signed on August 7, 1855. First treaty with the western Shoshone
1857: Comstock Lode major silver discovery in Nevada (then Utah)
1861: The American Civil (1861 - 1865). During this time the Shoshone raided Pony Express routes, stagecoaches and wagon trains
1862: Colonel Patrick Conner founded Fort Douglas Salt Lake City
1863: January 29, 1863 Bear River Massacre. Campaign lead by Colonel Patrick Conner. Shoshone defeated with 224 Native Indians killed
1862: U.S. Congress passes Homestead Act opening the Great Plains to settlers
1863: Full scale war in the Great Plains by an alliance of Lakota Sioux, Cheyenne, Arapaho, Kiowa and Comanche
1863: Treaty of Peace and Friendship made with the Shoshone at Ruby Valley, in the Territory of Nevada
1864: The Snake War (1864–1868) was fought by the U.S. army against the "Snake Indians" which was the settlers term for Northern Paiute, Bannock and Western Shoshone bands who lived along the Snake River. Fighting took place in Oregon, Nevada, and California, and Idaho
1865: Ute Wars (1865 - 1872) broke out in Utah due to Mormon settlers taking over their lands
1869: Union Pacific and Central Pacific transcontinental Railroad met at Promontory Point, Utah
1868 Fort Bridger Treaty of 1868 with the Shoshone-Bannock Tribes who are assigned to reservations
1869: Fort Hall Reservation established in the U.S. state of Idaho
1876: The Eastern Shoshone allied themselves with the whites and helped them fight the Sioux in the Battle of the Rosebud
1878: Bannock War erupts in Southern Idaho and Northern Nevada
1878: The Sheepeater War. The 'Sheepeaters' were members of the Bannock and Shoshone tribes who migrated north to the Salmon River Mountains in Idaho and hunted mountain sheep as their main food
1878: The 'Sheepeaters' were moved to Fort hall Reservation of Bannock and Shoshone Native Indians
1887: Dawes General Allotment Act passed by Congress leads to the break up of the large Indian Reservations and the sale of Indian lands to white settlers
1896: April 21, 1896 the Shoshone and Arapahoe tribes signed an agreement for the sale of the Owl Creek or Big Horn Hot Spring
1911: Battle of Kelley Creek in Nevada. A small group of Bannock and Shoshone killed four men in an incident known as the Last Massacre. They were followed by a posse to Kelley Creek. 9 people were killed
The Shoshone tribe have reservations in California, Nevada, Idaho, Utah, and Wyoming.