The Ohio River is the largest tributary, by volume, of the Mississippi River. It is approximately 981 miles (1,579 km) long and is located in the eastern United States.
The river had great significance in the history of the Native Americans, as numerous civilizations formed along its valley. In the last five centuries prior to European contact, the Mississippian culture built numerous regional chiefdoms and major earthwork mounds in the Ohio Vall...
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The Ohio River is the largest tributary, by volume, of the Mississippi River. It is approximately 981 miles (1,579 km) long and is located in the eastern United States.
The river had great significance in the history of the Native Americans, as numerous civilizations formed along its valley. In the last five centuries prior to European contact, the Mississippian culture built numerous regional chiefdoms and major earthwork mounds in the Ohio Valley, such as Angel Mounds near Evansville, Indiana. For thousands of years, Native Americans, like the European explorers and settlers who followed them, used the river as a major transportation and trading route. About 1200 CE, the area of Kentucky was the site of longterm wars between the Osage and other Ohio River tribes, who ended up migrating west of the Mississippi River by the mid-17th century to historic grounds in Missouri, Arkansas and Oklahoma; and the Iroquois, invading southwest from present-day New York.
After European-American...
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