The plague decimated the population in 1603/4. Over several centuries, rampant disease decimated populations, but ultimately led to disease resistant communities. During the 20th century, the African bush elephant population was severely decimated. War and revolution had decimated the population. However, the Amerindian population was decimated by epidemics, wars and slavery. In 1854, an epidemic of cholera decimated the population. Both invaders systematically decimated the Polish elite. For this reason, several Amerindian populations were decimated. It was catastrophic for France, as his army was decimated through the winter. Imported diseases had decimated the natives in 16th century. The natives were quickly decimated by Mexican gunfire. Twenty years later, civilization has been decimated by the infection. The library was decimated and has been rebuilt. The population of Sweden and most of Europe was seriously decimated. This systematic killing decimated the organization and aggravated the broader conflict.