Compare Events

Select two or more events to compare their impact

Event A

Event B

Black Death

1347–1353

World War II

1939–1945

Death Toll

Death Toll

120.0M

75.0M

Duration (years)

6 yrs

6 yrs

Time Period

1347

1939

Black Death — Timeline

World War II — Timeline

PandemicWatch

An educational data visualization project tracking humanity's greatest health crises and conflicts.

Data sourced from WHO, CDC, and peer-reviewed academic sources. Death toll estimates may vary across sources.

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Data: WHO · CDC · UNAIDS · IAEA · Britannica