Compare Events
Select two or more events to compare their impact
Event A
Event B
Smallpox (20th century)
1900–1980
Black Death
1347–1353
Death Toll
Death Toll
300.0M
120.0M
Infected
1.0B
300.0M
Duration (years)
80 yrs
6 yrs
Time Period
1900
1347
% of World Population
—
30.0%