Ramadhan 1438H Crossword

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Across
  1. 4. Centre of great civilisation for 5 centuries
  2. 5. The aforementioned library was destroyed by them. Who were they?
  3. 6. The location of the oldest university which was founded by a woman
  4. 8. Two cities
  5. 10. Father of Sociology, Historiography and Economics
  6. 11. A special night
  7. 13. A library, university, translation institute and research centres all at once
Down
  1. 1. Saifullah
  2. 2. A sahabiah who participated in the conquest of Cyprus
  3. 3. WW1 in 1916 to 1918 led to the downfall of this empire
  4. 7. The only sahabah mentioned in the Quran
  5. 9. Haram
  6. 12. Ibn ___, The greatest traveller