Kahekili reconquers the East Maui districts and the fort at Kauwiki, Hana. This war is called Kaumupikao.

First sale by public auction held for artifacts collected on Cook's third boyage. The 248 sale lots include items from Tahiti, Tonga, New Zealand, Alaska and the Northwest Coast but items from Hawai`i are the objects of greatest value and interest.

John Latham's A General Synopsis of Birds contains the second ornithological record of Hawaiian birds, its information based on the notes, drawings and specimens collected by William Ellis and others on Cook's third voyage.

Uranus discovered by William Herschel, the first planet found not known to ancient civilizations.

Boers massacre Xhosa Blacks in southern Africa.

Wolfgang Amadeus Mozart dismissed from service of prince-archbishop of Salzburg.

British troops under General Cornwallis surrender to Revolutionary Army at Yorktown.