This should be history, with a bit of spice (the spice is more geo stuff)

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Across
  1. 5. City where Ludwig Van Beethoven died
  2. 7. Foot-soldier’s weapon popular in 13th to 16th century Germany and Switzerland
  3. 8. Emperor who crowned himself
  4. 12. Capital of Russia
  5. 14. Wobble of Earth’s axis
  6. 16. City that was destroyed when the volcano on Mount Vesuvius erupted
  7. 17. Canadian province that was the first to grant voting rights to women
  8. 18. Goddess of mercy, in Chinese mythology
  9. 19. Pole weapon that originates in Europe; consists of a sword-type face and spear-tip
  10. 22. Current premier of Alberta (First letter of given name, all of last name)
  11. 23. Underground chamber or cave which contains permanent water
  12. 26. The official language of India
  13. 27. Among the very first weapons that shot projectiles with the use of gunpowder in WWI
  14. 28. Artist who painted the ceiling of the Sistine Chapel
Down
  1. 1. Fireworks were invented in this country
  2. 2. Wig that is worn by Lawyers to display their status and power
  3. 3. Style of dress that was popular during the “Roaring 20’s”
  4. 4. Spanish painter and sculptor who died in the 70’s
  5. 6. Directly translates as “korean clothes”; traditional Korean clothing
  6. 7. Japan's longest serving monarch; emperor of Japan during WWII
  7. 9. Japan in Japanese
  8. 10. The origin of the word Ceramic; means “burnt stuff” in Greek
  9. 11. 5th american president
  10. 13. Lowest army rank
  11. 15. Origin of the mojito cocktail
  12. 18. Class of female Japanese performing artists and entertainers
  13. 20. Most populated Chinese city (2023)
  14. 21. System of writing used in the ancient middle east
  15. 24. cones Most common type of volcano in the world
  16. 25. Another word for the chinese yuan