- Death of John Cotton
- Louis Fraser publishes Zoologica Typica, or figures of the new and rare animals and birds in the collection of the Zoological Society of London
- Death of William Gambel
- Death of Johann Centurius Hoffmannsegg
- Philip Henry Gosse publishes Popular British Ornithology; containing a familiar and technical description of the Birds of the British Isles, Illustrations of the Birds of Jamaica and Natural History. Birds
- Vinzenz Maria Gredler becomes director of the Franciscan Gymnasium in Bolzano
- Singapore Museum established
Ongoing events