Has Serena Williams won all four Grand Slams in one year?

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Tags

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2. #saturday
3. #grail
4. #williams
5. #vinci
6. #majors
7. #tennis
8. #serena
9. #final
10. #achievement
11. #against
12. #completed
13. #roberta
14. #calendar
15. #today
16. #ahead