Beginning 35th century BCE: Mound Builders begin living in eastern South Dakota, encompassing the Archaic, Woodland, and Mississippian cultures:
11th century BCE: The Woodland period begins in eastern South Dakota: the period between hunter-gatherers and agriculture that includes innovation in pottery, textiles, and tools. Climate improves to its modern state. Trade with farther cultures is common.
In the pre-colonial time before the Europeans arrived, there were hunter-gatherer peoples west of the Missouri River, Woodland culture along the eastern lakes, and Plains Villages and Oneota cultures all in what is now South Dakota. The western cultures are now known as the Crow Nation and Cheyenne. The Plains Villagers are now known as Mandans, Arikaras, and Hidatsas. The easternmost tribes are now known as Omahas, Poncas, and Dakotas.[1]
Yankton and Yanktonais Sioux, about this date, having been driven from western Iowa by Ottos, came up and settled in James River valley.
1785
Pierre Dorion, afterward guide to Lewis and Clark, married a Yankton woman and settled in trade at mouth of James River.
1790
Pierre Garreau settled with Rees at mouth of Grand River.
1792
Sioux finally conquer Rees and drive them from their strong position in neighborhood of Pierre. The Rees retreat up river and settle with relatives at mouth of Grand River.
1796
Loisel, or L'Oiselle, builds post on Cedar Island, between Pierre and Big Bend. First recorded post in South Dakota.
Lewis and Clark return from Pacific passing through South Dakota.
1807
Manuel Lisa undertakes trade with Indians at head of Missouri. Sergeant Nathaniel Pryor attempts to conduct Big White, a Mandan chief who visited Washington with Lewis and Clark, to his home and is attacked and driven back by Rees, assisted by Minneconjou Teton Sioux under Black Buffalo. Four whites killed, nine wounded.
Manuel Lisa, for St Louis Missouri Fur Company, safely conducts Big White to his home in North Dakota. Finds Rees friendly.
1810
Loisel post burned with large stock of furs.
1811
Astorian party go up Missouri to Grand River where they buy horses of Rees and go thence up Grand River toward Pacific. First recorded exploration of northern Black Hills region.
Manuel Lisa finds Sioux excited over "Prophet craze" and believes it due to hostile English influence. Reports condition to General Clark, Indian agent.
1812
Red Thunder, Flathead Yanktonais chief from Elm River, Brown County, with son, Waneta, and twenty-two Sissetons enlist to serve English in war against Americans.
Fort Recovery built upon American Island at Chamberlain by Missouri Fur Company. (It is possible this post was built ten years earlier to compensate loss of Loisel post, and was headquarters of Manuel Lisa during War of 1812-1815.)
1823
General Ashley, lieutenant governor of Missouri, en route to Yellowstone, with cargo of goods and one hundred men, attacked by Rees at Grand River and thirteen men killed and ten severely wounded.
Colonel Henry Leavenworth, with 220 men, marches from Fort Atkinson, near Omaha, to punish Rees for attack on Atkinson. At Yankton, July 3, Sergeant Samuel Stackpole and six men drowned by overturning of boat. Leavenworth is joined by Joshua Pilcher, manager of Missouri Fur Company, with forty volunteers at Fort Recovery. General Ashley and eighty men join party at Cheyenne River. Seven hundred and fifty Sioux Indians volunteer for the campaign. August 9 Ree towns reached and besieged. Rees punished and beg for terms. First general military movement in Dakota.
1825
General Henry Atkinson and Benjamin O'Fallon sent up Missouri with an escort of 476 men to make treaties for trade and intercourse with Indian tribes. Very successful. Destroy English influence with Indians. First Fourth of July celebration in Dakota.
Wamdesapa, a Wakpekuta chief, kills his brother Tasagi and is driven from his tribe. Settles on Vermilion River in South Dakota.
1828
American Fur Company absorbs Columbia Fur Company and becomes dominant in Dakota trade.
1831
Pierre Chouteau, Jr., navigates first steamboat, the Yellowstone, on upper Missouri, reaching Fort Tecumseh. Revolutionizes fur trade methods.
George Catlin, famous painter of Indian pictures, visits Fort Pierre and paints many likenesses.
Frederick Le Beau, a trader, kills Francois Querrel, an employee, at mouth of Cherry Creek, on Cheyenne River. Le Beau arrested by order of William Laidlaw, burgeois of Fort Pierre, and sent to St. Louis in chains.
Nicollet and Fremont again visit South Dakota, coming up the river to Fort Pierre, thence passing over to James River, and finally to the Minnesota.
Father Pierre John De Smet visits the renegade band of Wakpekuta Sioux under Wamdesapa, to try to effect a peace between them and the Potawatomies of central Iowa.
1840
Dr. Stephen R. Riggs, celebrated missionary from Minnesota River, visits Fort Pierre and preaches first Christian sermon in Dakota.
1842
Audubon, the naturalist, visited the section upon a professional trip and observed and noted most of the birds and animals.
Father Alexander Ravoux visits Fort Pierre and baptizes many Indians.
1845
Father Ravoux visits Fort Vermilion.
1847
Mrs. Joseph La Barge comes to Fort Pierre, with her husband, Captain La Barge of the steamboat Martha. First white woman to visit South Dakota. The Martha attacked by Yankton Indians at Crow Creek.
1849
Inkpaduta, son of the renegade Wamdesapa, massacres his cousin Wamundiyakapi and seventeen other Wakpekutas.
1851
Father De Smet visits the Teton Sioux.
Santee Sioux relinquish title to all land east of Big Sioux River by treaty of Traverse des Sioux. This was the first Euro-American settlement of the land to become South Dakota.[2]
Government buys Fort Pierre. General William S. Harney, after battle of Ash Hollow, in Nebraska, brings army of twelve hundred men to Pierre. Lieutenant Gouverneur K. Warren, afterward famous in Civil War, examines and makes topographical survey of much of South Dakota.
Inkpaduta, the renegade, massacres forty-two settlers at Spirit Lake, Iowa, and retreats into South Dakota with three white women captives.
1858
Yankton Sioux make treaty relinquishing title to lands between Big Sioux and Missouri. Yankton Indian Reservation established.[4] This was the second treaty with the Sioux within seven years to open land to Euro-American settlement, and the land became known as the Yankton Triangle.[2]
Mrs. Goodwin, first white woman settler, arrives at Sioux Falls.
Settlement at Medary destroyed by Smutty Bear, Yankton Sioux.
Settlers at Sioux Falls build and fortify Fort Sod.
Provisional government organized. Legislature elected and convened. Alpheus G. Fuller sent as delegate to Congress. Henry Masters, governor.
1859
Yankton treaty ratified. July 10 Indians surrender lands. Yankton, Vermilion, and Bon Homme founded.
Dakota Democrat newspaper established by Samuel J. Albright. Governor Masters dies. New legislature elected at Sioux Falls. Jefferson P. Kidder elected delegate to Congress. Wilmot W. Brookings provisional governor.
1860
First church society organized at Vermilion by Presbyterians.
First school opened at Vermilion.
First schoolhouse built at Bon Homme.
Non-Native population was approximately 1100 people, mostly in trading posts or military garrisons along the rivers.[2]
1861
Dakota Territory erected by Congress March 2. Dr. William Jayne appointed governor. Establishes temporary capital at Yankton. Calls election for legislature and delegate to Congress. John B.S. Todd elected delegate.
First territorial legislature, the "Pony Congress", meets March 17. They chartered the Missouri and Niobrara Valley Railroad Company, a planned but never completed railway.[2]
Great Indian Outbreak in Minnesota, August 18. The Amidons massacred at Sioux Falls. Settlers flee in wild panic. Stockade at Yankton. All men called to arms.
Faulk succeeded by John A. Burbank. "Wild and woolly period." Great factional Moody-Brookings fight begins.[5]
1870
Population of Dakota Territory below the 46th parallel north (the modern extent of South Dakota) is 11,776 and growing.[2]
1872
First railroad in South Dakota; Dakota Southern built from Sioux City to Yankton.
1873
A land-grant railroad from New Ulm, Minnesota, to Lake Kampeska near Watertown is finished. Named the Winona & St. Peter Railroad, this subsidiary of the Chicago and North Western built about 34.5 miles (55.5km) of track in Dakota Territory. But lack of population meant that trains only ran to Gary on the Minnesota-Dakota border until population increase after 1878.[2]
Gen. Edwin S. McCook, secretary of Dakota Territory, shot and killed by Peter P. Wintermute, result of factional political fight.
Gold discovered in Deadwood Gulch. Stampede from Custer. Miners establish law and order. The Homestake deposit is discovered in Lead; it becomes the largest and deepest gold mine in North America.
Between February 27 and May 8, 200 Oglala Lakota and followers of the American Indian Movement occupy Wounded Knee on the Pine Ridge Indian Reservation.
Significant abandonment of unprofitable rail lines in the state occurs.[9]
1981
Citibank moves its credit card operations from New York City to Sioux Falls, leading to significant expansion of the financial industry in the state.[10]