Across
- 3. Holy war
- 4. Formerly Byzantium
- 6. Islamic polity
- 7. Mecca's holy precinct
- 9. Muhammad's occupation
- 10. Triad of Jewish, Christian and Islamic; people of the 'what'
- 11. Practised by Islamic doctors but outlawed in Christian Europe
- 13. Claimed to be the true keepers of the prophet Muhammad's tradition
- 14. Series of holy wars
- 17. Universal
Down
- 1. Pope who called for crusade in 1095
- 2. Branch of Islam believing God vests leadership in descendants of Muhammad's son-in-law
- 4. Emperor and early defender of Christianity
- 5. Claimed to be original Christian faith; the 'what' Church
- 8. People of the West
- 12. The Great 'what' in 1054
- 15. Islamic world or community
- 16. Modern country where the caliphate of Cordoba was established
- 17. Alphabet devised for illiterate Slavs
- 18. Pilgrimage