Famous 18th Century British Political Leaders

British statesman, William Pitt the Younger, became the youngest prime minister of Great Britain in 1783 when he was just 24. During his stint as the prime minister, he was also Chancellor of the Exchequer. Several major political events,  including the French Revolution and the Napoleonic Wars, happened during his tenure.  He is ranked highly among all British Prime Ministers.

Robert Clive was a military officer and the first British Governor of the Bengal Presidency in British India. Nicknamed Clive of India, Robert Clive is credited with laying the foundation of the East India Company rule in Bengal. He won the Battle of Plassey in 1757, which enabled him to establish Company rule in Bengal.

John Graves Simcoe was a British Army general best remembered for founding York (present-day Toronto, Canada). Simcoe, who served as the first lieutenant governor of Upper Canada, was responsible for introducing institutions like trial by jury, courts of law, freehold land tenure, and English common law. John Graves Simcoe also played a key role in abolishing slavery in Canada.

At age 10, John Montagu succeeded his grandfather, Edward Montagu, as the earl of Sandwich. The Eton- and Cambridge-educated statesman had held several important positions, such as the First Lord of the Admiralty. While gambling, he would often have bread and meat, leading to the delicacy being named “sandwich.”

Spencer Perceval was an English barrister and statesman who served as the United Kingdom's Prime Minister from 1809 to 1812. The only solicitor-general to have served as UK's prime minister, Perceval was also the only British PM to have been murdered. His assassination inspired poems like Universal sympathy on the martyr'd statesman, which was published in 1812.

British army general Charles Cornwallis, 1st Marquess Cornwallis is best remembered for his stints as the governor-general of India and the viceroy of Ireland. Educated at Eton and Cambridge, he later started his army career with the Seven Years’ War. He was also part of the American War of Independence.

British admiral Arthur Phillip was a pioneering leader of the colonization of Australia. He established the first permanent European colonial settlement in Australia. He had also served as the first governor of New South Wales but was unable to establish peace. He was part of the Seven Years' War, too.

His mastery of Scottish politics earned Henry Dundas, 1st Viscount Melville the nickname King Harry the Ninth. Apart from serving as the First Lord of the Admiralty and the Secretary of State for War, he also played a significant role in the British expansion in India. He was also a successful lawyer initially.

Simon Fraser, 11th Lord Lovat was a Scottish military leader who served as the chief of Clan Fraser of Lovat. A Jacobite, Simon Fraser was among the Highlanders who were defeated at the Battle of Culloden and later sentenced to death after being convicted of treason against the Crown.  

One of the Founding Fathers of the US, Thomas McKean was the son of a tavern keeper and later became a successful barrister and politician. He simultaneously served in the Continental Congress of Delaware while he was also the Chief Justice of the Supreme Court of Pennsylvania.

British jurist William Murray, 1st Earl of Mansfield is remembered for his significant contribution to the English commercial law. He had been the chief justice of the King’s Bench. Though he brough in new reforms in areas of finance, he mostly avoided dealing with issues such as slavery.