Note 64 — DON JUAN CANTO THE FIRST.[14]
Reading edition
[Edward Jenner (1749-1823) made his first experiments in vaccination, May 14, 1796. Napoleon caused his soldiers to be vaccinated, and imagined that the English would be gratified by his recognition of Jenner's discovery.
Sir William Congreve (1772-1828) invented "Congreve rockets" or shells in 1804. They were used with great effect at the battle of Leipzig, in 1813.]