1 December 1, 1980

2 December 2, 1980

3 December 3, 1980

4 December 4, 1980

5 December 5, 1980

6 December 6, 1980

7 December 7, 1980

8 December 8, 1980

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10 December 10, 1980

11 December 11, 1980

12 December 12, 1980

13 December 13, 1980

14 December 14, 1980

15 December 15, 1980

16 December 16, 1980

17 December 17, 1980

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20 December 20, 1980

21 December 21, 1980

22 December 22, 1980

23 December 23, 1980

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27 December 27, 1980

28 December 28, 1980

29 December 29, 1980

30 December 30, 1980

31 December 31, 1980