Brief History of South Dakota
According to records in 1742 - the LaVerendrye brothers, French discoverers, were the first white people who set their foot onto the current South Dakota.
To assure France'es claim to the area, they buried a metal board on a mountain west of the Missouri River (close to the current Fort Pierre).
In 1760 - Sioux Indians enter the area and evict the Arikara Indian from here in a many years lasting war. In 1794 the war ends.
In 1803 - the United States of America carry out the 'Louisiana Purchase', meaning they buy the land in the middle west up to the current Canadian border from France. The present South Dakota is part of it.
1804-1806 - the expedition of Lewis and Clark takes place. They start in St. Louis and make their way to northern west coast.
On the 25th of September, 1804 they hoist the flag of the United States of America in South Dakota.
In 1889 - South Dakota joins the union and becomes the 40th state of the United States.
In 1890 - Pierre is chosen as the permanent Capital.