Has Roger Federer won all 4 Grand Slams in one year?

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Tags

1. #french
2. #three
3. #finals
4. #titles
5. #grand
6. #nadal
7. #reached
8. #coming
9. #first
10. #against
11. #calendar
12. #since
13. #reach
14. #singles
15. #other
16. #meeting
17. #final
18. #laver
19. #federer