Answer:
The plague probably
Explanation:
Caused by sewer rats, it wiped out like half of Europe
Answer:
Black death could be one.
Explanation:
Black death is the result of plague.The Black Death, also known as the Pestilence and the Plague, was the most fatal pandemic recorded in human history, resulting in the deaths of up to 75–200 million people in Eurasia and North Africa, peaking in Europe from 1347 to 1351.
