Why is DC called District of Columbia?

Related questions

1. How much does steelo brim get paid per episode?
2. Is Lee Malvo still in jail?
3. Is Puerto Rico a state?
4. What is DC USA?
5. What happened to Lee Malvo?
6. How many rally drivers have died?
7. What car has won the most Rally Championships?
8. Why is DC its own state?
9. Which presidents did not live in the White House?
10. Does Rob Dyrdek still skate?

Tags

1. #columbia
2. #feminine
3. #commonly
4. #columbus
5. #federal
6. #capital
7. #september
8. #construction
9. #president
10. #washington
11. #three
12. #united
13. #honor
14. #named
15. #poetic
16. #overseeing
17. #district
18. #commissioners
19. #states
20. #which