The document provides a summary of the history of the British Isles from prehistory to modern times. It describes how the islands were first settled by various tribes like the Celts. The Romans then invaded and controlled the islands for over 300 years before departing in 410 AD. Various groups including the Angles, Saxons, Jutes, Vikings, and Normans invaded and controlled the islands at different points in history. This led to the establishment of the Heptarchy and eventual unification of England. The document then summarizes the major events, rulers, and time periods that shaped Britain such as the Magna Carta, the Hundred Years' War, the War of the Roses, the Tudor dynasty, the