Volcanic eruption may have triggered Europe's Black Death plague

Helen BriggsEnvironment correspondentGettyThe Black Death fundamentally altered medieval societyA volcanic eruption around the year 1345 may have set off a chain reaction that unleashed Europe's deadliest pandemic, the Black Death, scientists say.Clues preserved in tree rings suggest the eruption triggered a climate shock and led to a string of events that brought the disease to medieval Europe. Under this…