Complex sentence: Archeological finds near the township of Halder proved that this area was already inhabited during the Roman era: thousands of Roman coins were found in 1962 not far from the Nieuw Herlaer castle.
Split into simpler sentences: Archeological finds near the township of Halder indicate that this area was already inhabited during the Roman era. Thousands of Roman coins were found in 1962 not far from the Nieuw Herlaer castle.