Jenner scientifically tested, and proved, that infection with the mild disease of cowpox gave immunity to the more dangerous smallpox disease.
21st June 1919: The German High Seas naval fleet is scuttled at Scapa Flow
21st June 2019
Jenner scientifically tested, and proved, that infection with the mild disease of cowpox gave immunity to the more dangerous smallpox disease.
On the 11th September 1978, Janet Parker became the last recorded person in the world to die from smallpox.
28th June 2015
11th November 2020
11th November 2020
9th November 2019