When else did it happen besides during the Dark Days of the Black Death??
I will dig out exact dates if you want, but there has been a plague of some kind about every 400 years for at least the last 3,000 that has wiped out 30% or more of the population
I will dig out exact dates if you want, but there has been a plague of some kind about every 400 years for at least the last 3,000 that has wiped out 30% or more of the population