The aim of this lecture is to present on British History. Here briefly focus on Middle Ages (1154 – 1485), Civil War and Revolution (1603 – 1714); Empire and Sea Power (1714 – 1837); Special Section: Abolition of the Slave Trade; World War One (1901 – 1918) and World War Two (1918 – 1945). The history of the British Isles has witnessed intermittent periods of competition and cooperation between the people that occupy the various parts of Great Britain, Ireland, and the smaller adjacent islands, which together make up the British Isles.