The Treaty of Amity and Commerce was signed between the Kingdom of Prussia and the United States of America.
Mozart published the Haydn Quartets in Vienna.
The US adopted the name 'dollars' and started using decimal coinage.
Scottish geologist James Hutton publicly read his theory on uniformitarianism for the first time at the Royal Society of Edinburgh.
Benjamin Franklin announced his invention of bifocal eyeglasses.
Richard Crosbie became the first Irish man to fly a hot air balloon in Ireland.
