Every now and again, just for fun, the programmers would send a plague to decimate your population and reduce your earnings.

But rampant whaling so decimated the population that by 1925 only an estimated 25 were left.

With suppression of this trade the economy collapsed and disease and local warfare decimated the population.

There were at least three, separate, major epidemics that decimated the population: smallpox (1520 to 1521), measles (1545 to 1548) and typhus (1576 to 1581).

They were especially adversely affected by epidemics of infectious disease, which decimated their population, as well as intertribal and colonial warfare.