Who came up with Keep Calm?

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Tags

1. #becomes
2. #spirit
3. #century
4. #discovered
5. #indelibly
6. #carry
7. #churchill
8. #poster
9. #associated
10. #iconic
11. #british
12. #winston
13. #story
14. #image
15. #england
16. #world
17. #words
18. #leadership
19. #bookshop
20. #famous
21. #people