Original:  Ziwa, or Ziwa ruinsformerly Van Niekerk ruins after Major Pompey Van Niekerk who was second in command of the Afrikaner Corps is  the remains of a vast late Iron Age agricultural settlement that has been dated to the 15th century.
Revised:  Ziwa, or Ziwa ruinsformerly Van Niekerk ruins after Major Pompey Van Niekerk who was second in command of the Afrikaner Corps is the remains of a vast late Iron Age agricultural settlement dated to the 15th century.
Edit intent: clarity