
It was still in use 500 years after it was penned. Several books published in Europe between 12 discussed the Earth’s shape, including “The Sphere,” written in the early 1200s, which was required reading in European universities in the 1300s and beyond.

By the late Middle Ages, Europe had caught up and in some cases surpassed the knowledge of ancient Greece and medieval Islam.

For him, the big question was not the shape of the Earth but the size of the ocean he wanted to cross.ĭuring the early Middle Ages, it is true that many Europeans succumbed to rumor and started believing that they lived on a flat Earth.īut Islamic countries knew better and preserved the Greek learning. “Geography” became a standard reference, and Columbus himself owned a copy.
