Joseph Priestley, English chemist, scientist and clergyman, is born in Birstall Field head, Yorkshire. Due to his controversial political views supporting the French Revolution, his home was burned in 1791, and he was forced to move to Pennsylvania in 1794.
He is best known for discovering oxygen in 1774, and other gases, and inventing soda water. A prominent intellectual in Americq, he was a friend of Benjamin Franklin and a staunch defender of liberal political and religious views.