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may 21, 1864 - Germ Theory of Disease

Description:

Scientists and doctors like Louis Pasteur and Robert Koch were instrumental in discovering and understanding germ theory
Hypothesis was bacteria grows disease
They first injected cattle with bacteria such as anthrax, and cattle will then contract the disease.
Germ Theory allowed for the discovery and utilization of many modern practices linked to medicine and science.

Added to timeline:

Date:

may 21, 1864
Now
~ 161 years ago