Zoology
- John James Audubon begins publication of The Birds of America in the United Kingdom.
- Three giraffes, the first to be seen in Europe for over three centuries, are presented by the Ottoman Viceroy of Egypt, Mehmet Ali Pasha. Zarafa is presented to King Charles X of France in Paris on 9 July having walked from Marseilles (landed 31 October 1826). The others are presented to King George IV of the United Kingdom in London and Francis II, Holy Roman Emperor, in Vienna.
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