History

Pre-Modern Pandemics

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Source:Community curated
Updated:4/9/2026
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Pandemic
Period
Origin
Likely Pathogen
Estimated Deaths
Known For
Black Death
1346-1353Central AsiaYersinia pestis (bubonic plague)75-200 millionKilled 30-50% of Europe, social upheaval, end of feudalism
Plague of Justinian
541-549 ADEgypt/East AfricaYersinia pestis15-100 millionCrippled Byzantine Empire under Justinian I, contributed to fall of antiquity
Antonine Plague
165-180 ADNear EastSmallpox or measles5-10 millionKilled emperor Lucius Verus, weakened Roman army, struck returning Parthian legions
Plague of Cyprian
249-262 ADEthiopiaPossibly smallpox or hemorrhagic feverMillionsCrisis of Third Century, 5,000/day in Rome, named for St. Cyprian's account
Cocoliztli Epidemic
1545-1548, 1576Mexico (possibly endemic)Salmonella enterica Paratyphi C7-17 million indigenousKilled 80% of native Mexicans after Spanish arrival, worse than smallpox
Columbian Exchange Smallpox
1520s-1600sEurope via CortesVariola majorUp to 56 million Indigenous AmericansDevastated Aztec and Inca empires, enabled European conquest
Third Plague Pandemic
1855-1960sYunnan, ChinaYersinia pestis12-15 millionSpread via steamships to India (10m dead), Hong Kong identification of bacillus
1817 Cholera Pandemic
1817-1824BengalVibrio cholerae100,000s-millionsFirst of 7 cholera pandemics, spread via British troops and trade
Russian Flu
1889-1890Central Asia/RussiaInfluenza (possibly H3N8 or coronavirus)1 millionFirst pandemic in age of telegraph and rail, global in months
Plague of Athens
430-426 BCEthiopia via PiraeusDebated (typhoid, smallpox, Ebola?)75,000-100,000Killed Pericles, weakened Athens in Peloponnesian War, described by Thucydides

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