Angel Mounds State Historic Site

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Five to seven hundred years ago, the area we now call Angel Mounds State Historic Site was a thriving Mississippian Indian town. Built between A.D. 1100 and 1300, the town was occupied by one thousand to three thousand inhabitants until its abandonment around 1450. Throughout that time, it was the largest settlement in Indiana. It served as the center of trade, government and religion for smaller satellite communities within a 70-mile radius.

Mississippian culture originated in the southeastern United States between A.D. 700 and 800, and in some places survived as late as 1700. The culture was extremely innovative. It was the first to extensively exploit agriculture and build permanent communities with thousands of residents. This economic and social system was made possible by the widespread cultivation of corn, a crop nutritious enough to be a dietary staple and capable of being harvested and stored in large quantities. The large town at Angel Mounds lends its name to the Angel phase, the period of Mississippian culture found near the confluence of the Wabash and Ohio Rivers from the late 11th through the early 15th century.

After more than 200 years of constant occupation, the town at Angel Mounds was abandoned, and by 1450, the site was empty. There is no evidence to show why the inhabitants left. Over a long period of occupation, the local supply of wood for building and fire would have been severely depleted. Intense agriculture may have overworked the soil. Game may have been scarce from over-hunting. Although there is no indication of attack from outside, there may have been political upheavals from within. Some combination of these factors, or perhaps all, may have played a role in the town’s desertion.

The Mississippian people did not disappear entirely from Indiana; however, their lifestyle changed. The center of population shifted 30 miles to the west of Angel Mounds where dispersed farmsteads and villages continued to exist along the Ohio River through the early 1600s. These later Mississippians were also gone before the arrival of Europeans in Indiana.

The 600+ acres that comprise Angel Mounds State Historic Site were purchased in 1938 by the Indiana Historical Society with financial assistance from Eli Lilly. In 1947, the Indiana Historical Society transferred ownership to the State of Indiana. It is now managed and interpreted by Indiana State Museum and Historic Sites. This site is a National Historic Landmark.