The Potawatamis were the principal tribe of Indians met with by the whites in the vicinity of Fort Dearborn in 1803, and they continued here until their final removal to their new reservations in 1835. Other tribes were represented by occasional parties camping in their wigwams on the banks of the river near the fort. Among such visitors were Winnebagoes, Miamis, Ottawas, and Chippewas.
When the early explorers passed over the Chicago Portage more than a century before, they found the Illinois Indians in possession of most of the territory of what is now the northern portion of Illinois; but their country was frequently invaded by the Iroquois Indians from the East and their allies, and their numbers rapidly diminished, until the last remnant of the tribe was exterminated, about the year 1770, at Starved Rock, on the Illinois River. It is worthy of notice here that more Indians perished and more tribes were exterminated in intertribal conflicts than in all the wars that have taken place between the white race and the red.
The Potawatami tribe had formerly made their abiding-place near the shores of Green Bay, except when roaming in quest of game into neighboring regions. A portion of the tribe, which was scattered over the southern peninsula of Michigan and continually advancing toward the south, began to press upon the Illinois tribes, which included, besides the Illinois, the Kickapoos and Miamis. The Indians from Michigan in time succeeded in reaching the region of the Chicago Portage, where they met the southward advance of their former friends from Wisconsin, from whom, they had been long separated. The Michigan Indians, when they appeared in this region, became known as the "Potawatamis of the Woods," or "Woods Indians," while those who had come from Wisconsin more recently, having in their movements wandered over the prairie country, became known as the "Potawatamis of the Prairies," or the "Prairie Band." The latter were also often referred to as "Plains Indians." The two divisions of the tribe, having thus met after so long a separation, had become quite different from each other in their habits and customs, and also in their disposition and character.
The Woods Indians were engaged in agriculture to some extent, and were susceptible to the influences of civilization and religion; the Prairie Indians "despised the cultivation of the soil," says Judge Caton, "as too mean even for their women and children, and deemed the captures of the chase the only fit food for a valorous people." In other respects the two divisions were regarded as a single tribe. The northern portion of Illinois was particularly the possession of the Potawatamis, over which they ranged freely, though Chicago and its immediate vicinity was the most important point in their territory where councils were held and trading was carried on.
Caton writes:
The relations existing between the Potawatamis and the Ottawas were of the most harmonious character. They lived together almost as one people, and were joint owners of their hunting grounds. Their relations were quite as intimate and friendly as existed among the different bands of the same tribe. Nor were the Chippewas scarcely more strangers to the Potawatamis and the Ottawas than the latter were to each other. They claimed an interest in the land occupied, to a certain extent by all jointly, so that all three tribes joined in the first treaty for the sale of their lands ever made to the United States.
The relations existing between the whites in and around Fort Dearborn and their Indian neighbors were generally harmonious throughout the interval of time from the first occupation of the fort in 1803 until 1811, when Tecumseh became active in stirring up the Western tribes to oppose the settlement of Western lands by the whites. Tecumseh was a chief of the Shawnee tribe, whose country was on the lower Wabash. He believed that this country was created by the Great Spirit for the exclusive use of the Indians, and that the grants of land made by the tribes in their treaties with the United States Government were not valid or binding unless the consent of "all the tribes of the continent" had been obtained.
This contention was regarded as preposterous, and Tecumseh was informed that such a principle could not be allowed. He then succeeded in forming a league of several tribes under his leadership, and hostilities soon after began against the settlers and the United States Government. In November, 1811, the battle of Tippecanoe was fought between General William Henry Harrison, Governor of Indiana Territory, and commander of the American forces, on the one hand, and the tribes under Tecumseh's brother, the "Prophet," on the other, Tecumseh himself being temporarily absent. The Indians were badly defeated. Tecumseh took refuge in Canada, where he joined the British, who were soon afterwards at war with the United States. He was killed while fighting on the side of the British at the battle of the Thames October 6, 1813.
Many of the Indians of the Potawatami tribe sympathized with Tecumseh, and it was well known that some of the chiefs and many of the Indians were present at the battle of Tippecanoe among the enemies of the Americans. But in spite of the malign influence of Tecumseh, the Indians conducted themselves generally in a peaceable manner while in the vicinity of Fort Dearborn, and seemed anxious to be regarded as friendly toward their white neighbors.