1900: Count Ferdinand von Zeppelin made the first flight in the airship that bears his name over Lake Constance near Friedrichshafen in southern Germany.
1489: Protestant reformer and martyr Thomas Cranmer was born in Aslockton, Nottinghamshire. Created archbishop of Canterbury in 1533, he was burned for heresy in Oxford in 1556 following the accession of the Catholic Mary I.
1778: Swiss-born novelist, musician and political philosopher Jean-Jacques Rousseau died aged 66 at Ermenonville, France. His most influential work is The Social Contract, which was published in 1762.