| If one were to guess the worst times to live through there are many choices. 1347 CE was nasty as Black Death hit Europe. The Holocaust, between 1941 and 1945. Or 1918, the year of the Spanish flu pandemic. Scientists have come up with their answer. 536 CE. 536 was in the reign of Byzantine emperor Justinian the Great. Temperatures plunged, causing global chaos - drought, crop failures, summertime snow, and widespread famine. |
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 The Triumph of Death. Pieter Bruegel the Elder. 1562. |
"For the sun gave forth its light without brightness, like the moon, during the whole year," wrote Byzantine historian Procopius.
Temperatures in the summer of 536 fell 1.5°C to 2.5°C, initiating the coldest decade in the past 2300 years.
In the year 536 CE, volcanic ash and debris was mixed in with the ice layer, indicating a large volcanic event. Greenland and Antarctic ice cores showed evidence of a second eruption in 540 CE.
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When a volcano erupts, it spews sulfur, bismuth, and other substances high into the atmosphere. There, they form an aerosol veil that reflects much of the sun's light back into space, cooling the planet. The dual blasts were from an Iceland eruption.
In 541, bubonic plague struck the Roman port of Pelusium in Egypt. What came to be called the Plague of Justinian spread rapidly, wiping out at least one-third and up to one-half of the population of the eastern Roman Empire. In one year, the outbreak killed an estimated 25 million.
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Researchers found Yersinia pestis, the microbe that causes plague, in a mass grave in the ancient city of Jerash in Jordan, near the pandemic's epicentre. The Plague of Justinian's symptoms included sudden high fevers, severe delirium, and painful, swollen lymph nodes (buboes) in the groin, armpits, and neck. It was very rapid onset, with some victims dying almost immediately, while others lingered in agonizing suffering for days before dying.