One account from a Paris College attributed this occurrence to the conjunction of Saturn, Jupiter, and Mars.
One account from a Paris College attributed this occurrence to the conjunction of Saturn, Jupiter, and Mars. This event's beginning was eventually traced to an attack Mongols made against the Italian trading city of Caffa, and this event claimed the life of Alfonso XI of Castile during the Siege of Gibraltar. The Brotherhood of Flagellants rose to prominence during this period. This event was caused by stowaway rats carrying the Yersinia pestis bacterium. FTP, name this disease that killed over a third of the population of Europe in the 14th century.
One account from a Paris College attributed this occurrence to the conjunction of Saturn, Jupiter, and Mars.
the Bubonic Plague (accept Black Plague or Black Death)