Birthday puzzle

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Across
  1. 1. Walkway
  2. 3. Building of history or culture
  3. 5. A King or Queen for one
  4. 8. Not Oxford
  5. 9. Remain
  6. 10. Evening meals
  7. 12. A Canadian Province
  8. 14. An American cruise port
  9. 15. Purchase
Down
  1. 2. Collection of fish tanks
  2. 4. City where the Opera House is
  3. 6. The Windy City
  4. 7. City in Canada
  5. 11. The most expensive ship cabins
  6. 13. Or fall