Image by Sumanley xulx from Pixabay
1320 - Bubonic Plague
1420 - Black Plague
1520 - Aztec Empire dies of Smallpox
1620 - Outbreak of contagious disease" Passengers of the Mayflower
1720 - Plague of Marseille
1820 - Cholera Epidemic
1920 - Spanish Flu
2020 - Corona Virus
Is it a coincidence? Feel free to leave a comment!