Happy Birthday!

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Across
  1. 1. , 'Good Christian Men, Rejoice' and others (6)
  2. 2. , Pyrotechnics (9)
  3. 4. , Choir wear (5)
  4. 5. , Wine producing region in France that may go into a toaster (9)
  5. 6. , Australian island territory with a yuletide name in the Indian Ocean (9)
  6. 10. , Sport in which camel spins, death spirals and Lutz jumps are performed (3,7)
  7. 12. , William Wallace, for example (8)
  8. 14. , The subject of this puzzle *9)
  9. 15. , Retail therapy (8)
  10. 16. , Imposing residence, perhaps fortified (6)
Down
  1. 1. , Factory visited by Charlie (9)
  2. 3. , Parisian hangout (9)
  3. 7. , Haute cuisine (4,6)
  4. 8. , Maker of many jets (7)
  5. 9. , The lungs of sheep, pigs etc (6)
  6. 11. , A pentegram shape that flies (4,5)
  7. 13. , Commercial activities where goods are bought and sold (7)