See also: 1778 in science, other events of 1779, 1780 in science and the list of years in science.
Astronomy May 5 - The spiral galaxy M61 was discovered in the constellation Virgo by Barnabus Oriani. Technology The Iron Bridge was completed across the Severn river in Shropshire; the first all cast-iron bridge ever constructed. Bry Higgins issued a patent for hydraulic cement (stucco) for use as an exterior plaster. The spinning mule was invented by Samuel Crompton. Births August 7 - Jöns Jacob Berzelius, chemist Deaths February 14 - James Cook, explorer