Complex sentence: After the departure of the Norse, the island would be left to the aboriginal populations for nearly 500 years until the island was rediscovered in 1497 by the Italian navigator John Cabot (Zuan/Giovanni Cabotto), working under commission of King Henry VII of England.
Split into simpler sentences: After the departure of the Norse, the island was inhabited by aboriginal populations for nearly 500 years. In 1497 the island was discovered by the Italian navigator John Cabot (Zuan/Giovanni Cabotto), working under commission of King Henry VII of England.