The world in 800 CE -- The world in 1000 -- The world in 1279 -- The world in 1492 -- World religions -- The Carolingian empire -- Viking age Europe -- Feudal Europe -- War, revolt, and plague -- Economy of medieval Europe -- Renaissance Europe -- Arab conquests -- The arab world divided -- The Byzantine empire -- Medieval Turkish empires -- The crusades -- Africa -- Medieval India -- Sui and Tang China -- Song China -- The Mongol empire -- The break-up of the Mongol empire -- Medieval Japan and Korea -- Kingdoms of Southeast Asia -- Native cultures of North America -- Toltecs and Aztecs -- Andean civilizations.