# 1766 in science

The year 1766 in science and technology involved some significant events.

## Biology

• April 9 – American botanist John Bartram completes his first exploration and cataloging of North American plants after more than nine months.[1]
• Moses Harris publishes The Aurelian, or, Natural History of English Insects; Namely, Moths and Butterflies.
• English painter George Stubbs publishes The Anatomy of the Horse.

## Chemistry

• May 29 – Henry Cavendish presents to the Royal Society of London his paper "On Factitious Airs". This is generally credited as showing the discovery of hydrogen, since it describes the density of 'inflammable air', which forms water on combustion.
• Pierre Macquer publishes his Dictionnaire de chymie.

## References

1. ^ Wonning, Paul R. (2018). A Year of Colonial American History: 366 Days of United States Colonial History. Mossy Feet Books. p. 133.
2. ^ "Collection of approximations for ${\displaystyle \pi }$". 2000. Retrieved 2012-01-05.
3. ^ Hardy, G. H.; Wright, E. M. (1945). An Introduction to the Theory of Numbers (2nd ed.). Oxford: Clarendon Press.