Did Poland attack Germany first?

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Tags

1. #poland
2. #german
3. #soviet
4. #signing
5. #molotov
6. #ribbentrop
7. #germany
8. #after
9. #terminated
10. #union
11. #khalkhin
12. #between
13. #soviets
14. #september
15. #agreement
16. #following
17. #japanese
18. #battles
19. #invaded
20. #began
21. #invasion