On August 1, 1786, Caroline Herschel becomes the first woman to discover a comet; Comet Herschel (C/1786 P1)
Title: Definitive orbit of comet 1786 II Authors: Palmer, M.
Comet 1786 II was discovered about ten o'clock in the evening of August 1, by Caroline Herschel, at her brother's Slough, near Windsor, England. This was the first discovery of the kind made by Miss Herschel, who afterwards independently discovered seven other comets.