William Pitt the Younger

William Pitt was a British statesman who served as the last prime minister of Great Britain from 1783 until the Acts of Union 1800, and the first official prime minister of the United Kingdom from January 1801. He left office in March 1801, but served as prime minister again from 1804 until his death. He was also Chancellor of the Exchequer for all his time as prime minister.