In an early act of biological warfare, Tartars catapulted the bodies of Plague victims at invading Christians
In 1346, during a siege of Kaffa (now Feodosia, Ukraine), the Tartar army catapulted bodies of plague victims…
Spectacles were invented
In 1285, spectacles were invented in Italy using convex lenses for the farsighted. The “Glasses Apostle” painting in…
DNA evidence of plague found in Europe
Evidence from 4,800 to 3,700 years ago suggested the plague-causing bacterium Yersinia pestis, first arrived in Europe during…