- 1807 - George Busk was born in St Petersburg, Russian Empire.
- 1833 - During the second voyage of the HMS Beagle, Charles Darwin met General Juan Manuel de Rosas, who was on a punitive expedition against local natives, and received permission to continue his expedition.
- 1857 - William Conybeare died in Itchen Stoke, England.
- 2005 - Jack A. Wolfe died.
Scales and Tooth Whorls of Ancient Fishes Challenge Distinction between External and Oral ‘Teeth’
Qingming Qu, Sophie Sanchez, Henning Blom, Paul Tafforeau, Per Erik Ahlberg
published 12 Aug 2013