Early Medieval Europe
This barbarian group settled in modern-day Spain.
Visigoths
He was the first of the Carolingian rulers to declare himself king.
Pippin III
This barbarian custom was rejected by the church in early medieval Europe.
polygamy
Under the manorial system, this group provided military service in exchange for land.
knights
He ruled a kingdom that included modern France, Germany, and northern Italy, and was crowned Holy Roman Emperor by the pope in 800 CE.
Charlemagne
He discovered a method for accurately calculating the circumference of the earth.
Eratosthenes