The capital of the Eastern Roman Empire and later the Byzantine Empire

One of the greatest Byzantine emperors

An organized collection and explanation of Roman laws for use by the Byzantine Empire

A split, particularly in a church or religion

The prophet and founder of Islam

People with no permanent home, who move from place to place in search of food, water, or pasture

A group of traders traveling together for safety

An Arabian trading center and Muhammad's birthplace

A follower of Islam

A Muslim house of worship

The holy book of Islam

A Muslim poet, mathematician, and astronomer

A Muslim ruler

A mystical Muslim group that believed they could draw closer to God through prayer, fasting, and a simple life

An emperor of the Roman Empire and the founder of Constantinople