In 1855, contracting rabies was a death sentence. When a nine-year-old boy named Joseph Meister was bitten by a rabid dog, Louis Pasteur and Émile Roux put a revolutionary treatment to the test.
All in Medicine
A doctor who in 1928 figured out that cervical and uterine cancer could be easily detected using a vaginal smear.
Henry Heimlich is credited with the lifesaving abdominal thrust, but that was just one of his contributions to the world.
The first successful flight across the English Channel was on this day.