The harsh year was caused by a cataclysmic Icelandic eruption, according to scientists.
Archaeologist and medieval historian Prof McCormick told Science Magazine the world isn’t thought to have recovered until 640AD – more than 100 years later.
Effects on the climate were so severe that the records tell of “a failure of bread from the years 536–539”.
Temperatures in the summer of 536 fell to between 1.5°C and 2.5°C, making it the coldest decade in the past 2,300 years.
Jesus: Hey, Dad? God: Yes, Son? Jesus: Western civilization followed me home. Can I keep it? God: Certainly not! And put it down this minute--you don't know where it's been! Tom Robbins in Another Roadside Attraction