Why does Chicago have a flag?

Related questions

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6. What does the 13 stars on the Confederate flag mean?
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Tags

1. #stripe
2. #major
3. #progress
4. #dearborn
5. #stars
6. #historical
7. #columbian
8. #bottom
9. #exposition
10. #canal
11. #world
12. #river
13. #represent
14. #century
15. #south
16. #events
17. #represents
18. #pointed
19. #branch
20. #chicago
21. #great