It was the Yellow Fever that struck Philadelphia in 1793. It was a pandemic, meaning that it spread throughout the country.
Philadelphia
1793 in Philadelphia
1793 is when yellow fever was in philadelphia.
In 1793.
Nobody Knows
Philadelphia, Pennsylvania
The Cook Coffeehouse
yellow fever
Philadelphia in a small town
The answer is in late 1793 and before that in 1762
Philadelphia The Great Experiment - 2011 Fever 1793 1-2 was released on: USA: 4 April 2012