Robert Walpole was a British Statesman whose was one of the central figures of 18th Century Great Britain. He is considered as the first Prime Minister of Great Britain. He has headed various government offices, played so many roles and finally attained the status of the first 'Prime Minister' of Great Britain. He became the First Lord of the Treasury and the Chancellor of Exchequer. He was a strong and undisputed leader of the Cabinet. His governance period was a powerful era in British history. He held various posts from 1721-1742 and his administration was the longest administration.