1789 in science

The year 1789 in science and technology included many events, some of which are listed here.

See also: 1788 in science, other events of 1789, 1790 in science and the list of years in science.

Exploration

• July 10 - Alexander Mackenzie reaches Mackenzie River Delta.

Awards

• Copley Medal: William Morgan

Births

• August 21 - Augustin Louis Cauchy, mathematician (died 1857)
• September 28 - Richard Bright, physician (died 1858)
• October 25 - Heinrich Schwabe, astronomer (died 1875)

Deaths

• May 25 - Anders Dahl, botanist for whom the dahlia is named (born 1751)