Six man American sealing crew is captured by Maori warriors in New Zealand and forced to forced to eat one another. Survivor Joseph Price of Delaware later testifies that Americans tasted like roasted pork.
British colonial possessions in Sierra Leone, Gold Coast, and Gambia become the British West Africa Settlements.
Santa Fe trail is opened.
Hermann von Helmholtz is born.
British double agent Edward Bancroft dies.
Thomas de Quincey publishes Confessions of an English Opium Eater.