Complex sentence: In 1660 he granted permission to establish the semi-autonomous colony of Bergen, with the main village located at today's Bergen Square, considered to be the first chartered municpality in what would became the state of New Jersey.
Split into simpler sentences: In 1660 he granted permission to establish the semi-autonomous colony of Bergen, with the main village located at today's Bergen Square. This is considered to be the first chartered municpality in what would became the state of New Jersey.