Original sentence: It was one of the three parishes which formed the ancient Liberty of Havering which was itself within the  historic county of Essex.Romford has formed part of Greater London since 1965.Romford is a historic market town in East London, England and the principal settlement of the London Borough of Havering
Edited sentence: As part of the suburban growth of London in the 20th century, Romford significantly increased in population, becoming a municipal borough in 1937 and has formed part of Greater London since 1965.It was historically a market town in the county of Essex and formed the administrative centre of the Liberty of Havering, until it was abolished in 1892.Romford is a large suburban town in north east London, England and the administrative headquarters of the London Borough of Havering