Event Summary

Roger Bacon's Opus majus appears

Date

1264

Description

Oxford-trained Franciscan scholar published his Opus majus (1264), a summary of the Ancients' geographical knowledge; disputed existence of an uninhabitable "Torrid Zone" south of the known line of settlement.

Timeline 1

The Earth's Oceans to 1350 AD

Timeline 2

United States Naval History, 1866 - to present