the next recorded famine in czech lands was the great famine, which lasted from 1770 until 1771. the cause of the great famine was a disease of grain monoculture and heavy rains. the great famine killed twelve percent of the czech lands’ population, up to 500,000 inhabitants, and radicalized countrysides, which led to peasant uprisings. this famine ended when czech lands imported and increased potato production by 100 percent. the last famine in czech lands was in czech silesia in 1847. this famine was caused by a potato disease and led to the deaths of over 20,000 people.