Common knowledge

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Across
  1. 1. Charles' bestie
  2. 3. mining giant
  3. 5. an arachnid
  4. 10. victory crowns
  5. 11. Welsh singing icon
  6. 13. north of Darwin
  7. 16. up came the troopers
  8. 17. i loves you"-"
  9. 18. Dietrich known for
  10. 19. "-" icebergs
  11. 20. St Francis digs
  12. 23. one of 3 tenors
  13. 24. Americas sweethearts
  14. 25. Asia's richest man
  15. 28. thorn for China
  16. 30. famous street artist
  17. 34. when will Ukraine join NATO
  18. 36. smart mammals
  19. 37. thorny Roy
Down
  1. 2. early Mexican
  2. 4. noisy reptile
  3. 6. monied nuts
  4. 7. "invisible killer"
  5. 8. happy Billy
  6. 9. Jesus Christ
  7. 12. fruity chinaspeak
  8. 14. marine fighter
  9. 15. Balmain crustaceans
  10. 19. Oz big prawn home
  11. 21. holy alpine playground
  12. 22. Gaza "safe zone"
  13. 26. Rift vally pastoralists
  14. 27. "off" australia
  15. 29. winding
  16. 31. Ruto rules
  17. 32. is Musk worth his pay packet
  18. 33. genital warts
  19. 35. last manufacturer of floppys