Complex sentence: When King James VI of Scotland became King James I of England in 1603, Eastwood had a population of about 170, and it remained a small village until the 18th century when, in 1779, the Trent Navigation Company opened the Erewash Canal.
Split into simpler sentences: When King James VI of Scotland became King James I of England in 1603, Eastwood had a population of about 170. Eastwood was a small village until the 18th century, when, in 1779, the Trent Navigation Company opened the Erewash Canal.