Plague spread in the 13th century.

In the 13th century, the spread of the plague began. It affected all European countries. It spread in Russia. Affected cities such as Smolensk, Moscow, Chernigov, Kiev. As a result of the epidemic, only a few people remained alive in the cities. They tried to fight the plague by introducing quarantines: they fenced off entire villages with outposts, burned houses in which people died from the plague. The disease was highly contagious, and also in all cases led to death.