When did the Roman army suffer its most shattering defeat at Adrianople?
The Roman army suffered its most shattering defeat at Adrianople in 378. Emperor Valens died in that battle and the core forces of the Eastern Empire were destroyed.
Short answers, pulled from the story.
The Roman army suffered its most shattering defeat at Adrianople in 378. Emperor Valens died in that battle and the core forces of the Eastern Empire were destroyed.
Estimates suggest the population of the Roman Empire fell from 65 million to 50 million between 150 and 400. This decline exceeded twenty percent and coincided with colder temperatures during the Dark Ages Cold Period.
Within less than a year an estimated two hundred thousand Constantinopolites died during the Plague of Justinian. Two out of every five city residents perished from the disease.
Moors led by Tariq ibn Ziyad landed at Gibraltar and overran most of the Iberian Peninsula except small northern regions by 711.
Charlemagne was crowned Roman Emperor by Pope Leo III on Christmas Day eight hundred. His empire united much modern France western Germany and northern Italy before dividing permanently upon death.