How did the wabash river begin?

The Wabash River, which flows through the Midwestern United States, primarily originated from the confluence of the Little Wabash River and numerous smaller streams in the region. Its headwaters are located in the state of Indiana, where glacial activities during the last Ice Age shaped the landscape, creating valleys that collected water. Over time, these watercourses merged and carved out the river's path, eventually leading to its outlet at the Ohio River. The river has since played a significant role in the ecology and history of the surrounding areas.