Has anyone won all Grand Slams in one year?

Related questions

1. Who has won the calendar Grand Slam in tennis?
2. Who is the greatest woman tennis player of all time?
3. Who won the US Open female?
4. Who won women's single Australian Open 2019?
5. Who won ladies singles 2018?
6. Why is it hard to play tennis on clay?
7. Who is the oldest player to win a Grand Slam title?
8. Who is the winner of Grand Slam?
9. What is the longest 5th set in tennis?
10. How long was Lleyton Hewitt number 1 in the world?

Tags

1. #calendar
2. #grand
3. #laver
4. #connolly
5. #maureen
6. #budge
7. #achieved
8. #court
9. #margaret
10. #singles
11. #twice
12. #history
13. #season
14. #tennis
15. #times
16. #nobody
17. #steffi
18. #since