It Happened in January...

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Across
  1. 2. Has a intimate secret, or monarch during the Pax Britannica?
  2. 7. New Japanese era, 36 years ago
  3. 10. Rock group, or what bombed Paris during the Great War?
  4. 11. Suffered for 900 days during the second great war
  5. 15. Forced to give up HI 130 years ago
  6. 16. 2 Across's nephew, died 89 years ago
  7. 17. First president of India, in 1950
  8. 21. Action of Donald's and Mickey's home, 1861
  9. 22. American WWII hero Audie
  10. 23. Controller of Chicago crime, see?
  11. 25. Nickname for the UK going solo in 2020
  12. 26. KS, 34th of this to exist
Down
  1. 1. Traitorous English Lord, hanged in 1946
  2. 3. Four freedoms according to him in 1941
  3. 4. Famous doll, or war criminal arrested in 1983?
  4. 5. Over 800,000 dead here from a 16th century Far East big shake
  5. 6. American actor, or French traitor?
  6. 8. 2 Across becomes an empress of this colony in 1877
  7. 9. Offensive to the south of Vietnam in '68
  8. 12. Of which the Cullinan is the largest!
  9. 13. In Russia in 1905, Northern Ireland in 1972
  10. 14. Eastern city liberated 80 years ago
  11. 18. Port lost by Russia over a century ago
  12. 19. Traveling faster than sound since 1976!
  13. 20. 1991 operation broadcast on American TV
  14. 24. Last one hanged in the US, or a comic beetle