The Mississippi , due to a flood , destroyed the old town of Kaskaskia , and occupies what was the lower channel of the Kaskaskia River .
Kaskaskia , Illinois , the first state capital , is now west of the river .
The Mississippi , due to a flood , destroyed the old town of Kaskaskia , and occupies what was the lower channel of the Kaskaskia   .
Kaskaskia , Illinois , the first state capital , is now west of the river .