Elizabeth Blackwell's A Curious Herbal, with her own colour illustrations, is published in London.[3]
Geology
Francesco Serao is the first person to use the word lava in connection with extruded magma in a short account of the eruption of Mount Vesuvius which took place between May 14 and June 4.[4]
October 11 – An earthquake in Calcutta, India is said to have caused 300,000 deaths; this is now in question: it was probably a cyclone, with deaths estimated at 3,000.[5]
^"On the cause of the eccentricity of the woody layers which one perceives when one cuts horizontally the trunk of a tree" (De la cause de l'excentricité des couches ligneuses qu'on apperçoit quand on coupe horisontalement le tronc d'un arbre).
^Euler, Leonhard (1737). "Variae observationes circa series infinitas" [Various observations concerning infinite series]. Commentarii Academiae Scientiarum Petropolitanae. 9: 160–188.
^"Longitude found: John Harrison". Royal Museums Greenwich | UNESCO World Heritage Site In London. 7 October 2015. Retrieved 21 March 2019.