Comprehensive notes on world history by Frank E. Smitha.

The Middle Ages

East Roman Empire
Justinian's conquests.
Koshru the Great. War with Constantinople. Persia disintegrates.
Mohammed and Islam
Arabs conquer the Middle East
From King Arthur to William of Normandy.
Europe 10/11th century
Merovingians, Carolingians, Vikings and Magyars.
Sui, Tang and Sung China.
Japanese Buddhism and military aristocracy.
Islam expands
Omar II, the Abbasids, Sufism.
Hinduism and Muslims
Harsha. Bhakti movement. Muslim invasion.
Aksum to 800. Ghana and Mali. Empire in Ethiopia, Zimbabwe.
The Americas
Maya, Teotihuacan, Aztecs. Incas. Eskimos and others north of the Rio Grande.