Happy Birthday, Dashiel!

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Across
  1. 3. unicorn is the national animal of this country
  2. 6. fine rain falling after sunset from a sky in which no clouds are visible
  3. 10. a group of butterflies
  4. 11. baby or father?
  5. 12. genre of play written by famous playwright towards the end of his career
  6. 16. overparticular; fussy
  7. 17. Museum temporarily renamed Musee Napoleon
  8. 18. number of hearts of an octopus
Down
  1. 1. The Clash's hometown
  2. 2. someone who finds joy and peace from the rain
  3. 4. bigger than jesus
  4. 5. this province needs to get over itself
  5. 6. Dumbledore claims he sees these in a special mirror
  6. 7. second largest country of the world (by total area)
  7. 8. writer who became consumed by spiritualism
  8. 9. an novel exploring the protagonist's formative years
  9. 13. African state that declared independence from Nigeria (1967-1970)
  10. 14. Major pollinators of food crop
  11. 15. no longer part of our solar system