The historical significance of the War of the Roses in England lies in its role in reshaping the monarchy and establishing the Tudor dynasty. This series of civil wars, fought between the houses of Lancaster and York from 1455 to 1487, highlighted the vulnerabilities and conflicts within the English royal family and nobility. The eventual victory of Henry Tudor at the Battle of Bosworth Field in 1485 ended the war and initiated the Tudor period, ultimately leading to significant transformations in English governance, culture, and society, paving the way for the Renaissance in England.