Do you mean "Where does the Mississippi River split?" It is not spelled "miss-piss-ippi" and it should be capitalized. Try looking on a map.
the Nile river split in half
If what is meant is "where does a river split most often occur?", then the best answer is near the delta.
They split at the mouth of the Medicine River
The Mississippi river
Potomac River
The Mississippi River
The river that the North needed to control to split the South was the Mississippi River. This river was a very important transportation system for the South so controlling the river meant controlling the South.
the Mississippi
Germany
Just about anywhere split in half by a river, especially big places.
Mississippi
the river does