Full Timeline: Take 4

Stan Lee

1.   The X-Men: Friday 31^st March to Saturday 1^st April, 1978.

2.   No-one Can Stop the Vanisher!: Monday 3^rd to Friday 7^th April, 1978.

3.   Beware of the Blob!: Saturday 22^nd April, 1978.

4.   The Brotherhood of Evil Mutants!: Sunday 23^rd April to Tuesday 2^nd May, 1978.

5.   Trapped: One X-Man!: Saturday 6^th to Sunday 7^th May, 1978.

6.   Submariner! Joins the Evil Mutants: Saturday 13^th to Monday 15^th May, 1978.

7.   Return of the Blob: Thursday 29^th to Friday 30^th of June, 1978.

8.   The Uncanny Threat of... Unus the Untouchable!: Saturday 1^st to Saturday 8^th July,
      1978.
9.   Enter: the Avengers: Saturday 15^th to Wednesday 19^th July, 1978.
10. The Coming of... Ka-Zar: Tuesday 15^th August, 1978.
11. The Triumph of Magneto!: Tuesday 22^nd August, 1978.
12. The Origin of Professor X!: Tuesday 22^nd August, 1978.
13. Where Walks the Juggernaut!: Tuesday 22^nd August, 1978.
14. Among us Stalk... the Sentinels!:  Tuesday 5^th to Wednesday 6^th September, 1978.
15. Prisoners of the Mysterious Master Mold!: Wednesday 6^th September, 1978.
16. The Supreme Sacrifice: Wednesday 6^th September, 1978.
17. ...And None Shall Survive!: Wednesday 6^th to Thursday 7^th September, 1978.
18. ...If Iceman Should Fail!: Thursday 7^th to Friday 8^th September, 1978.
19. Lo!  Now Shall Appear -- The Mimic!: Wednesday 1^st to Thursday 2^nd November, 1978.

Lee's tenure: 31 months.  Time passed for X-Men: 7 months.  Compression constant: 1 Lee month = 4.42 standard months.

Roy Thomas

20. I, Lucifer...: Monday 6^th November, 1978.
21. From Whence Comes... Dominus?: Monday 6^th to Tuesday 7^th November, 1978.
22. Divided -- we Fall!: Thursday 31^st May to Friday 1^st June, 1979.
23. To Save a City: Friday 1^st June, 1979.
24. The Plague of... The Locust!: Tuesday 14^th to Saturday 18^th September, 1979.
25. The Power and the Pendant!: Monday 20^th to Thursday 23^rd September, 1979.
26. Holocaust!: Thursday 23^rd to Friday 24^th September, 1979.
27. Re-Enter: The Mimic!: Sunday 26^th to Tuesday 28^th September, 1979.
28. Wail of the Banshee!: Sunday 1^st November, 1979.
29. When Titans Clash!: Saturday 5^th December, 1979.
30. The Warlock Wakes!: Sunday 6^th of December, 1979.
31. We Must Destroy... the Cobalt Man!: Friday 11^th of December, 1979.
32. Beware the Juggernaut, my Son!: Wednesday 19^th of March, 1980.
33. Into The Crimson Cosmos!: Wednesday 19^th of March, 1980.
34. War -- in a World of Darkness!: Wednesday 19^th to Thursday 20^th March, 1980.
35. Along Came a Spider...!: Saturday 5^th April, 1980.
36. Mekano Lives!: Saturday 5^th April, 1980.
37. We, the Jury...: Sunday 6^th April, 1980.
38. The Sinister Shadow of... Doomsday!: Sunday 6^th April, 1980.
39. The Fateful Finale!: Sunday 6^th April, 1980.
40. The Mark of the Monster!: Saturday 12^th April, 1980.
41. Now Strikes... the Sub-Human!: Sunday 13^th April, 1980.
42. If I Should Die...: Sunday 13^th April, 1980.
43. The Torch is Passed...!:  Saturday 19^th to Tuesday 22^nd April, 1980.
44. Red Raven, Red Raven...!: Tuesday 22^nd April, 1980.

Thomas's tenure: 25 months.  Time passed for X-Men: 17.5 months.  Compression constant: 1 Thomas month = 1.43 standard months.

Gary Friedrich

45. When Mutants Clash!: Wednesday 23^rd April, 1980.
46. The End of the X-Men!: Sunday 27^th April, 1980.
47. The Warlock Wears Three Faces!: Thursday 1^st May, 1980.
48. Beware Computo: Controller of the Robot Hive!: Friday 2^nd May, 1980.

Friedrich's tenure: 4 months.  Time passed for X-Men: 1 week.  Compression constant: 1 Friedrich month = 17.43 standard months.

Arnold Drake

49. Who Dares Defy... the Demi Men?: Sunday 11^th May, 1980.
50. City of Mutants: Sunday 11^th May, 1980.
51. The Devil had a Daughter!: Sunday 11^th to Friday 16^th May, 1980.
52. Twilight of the Mutants!: Friday 16^th May, 1980.
53. The Rage of Blastaar!: Tuesday 20^th May, 1980.
54. Wanted: Dead or Alive -- Cyclops!: Wednesday 21^st May, 1980.

Drake's tenure: 6 months. Time passed for X-Men: 3 weeks.  Compression constant: 1 Drake month = 9.05 standard months.