X-Men (Marvel) - 60 in 10, Part III: 1975-1980

Source: https://www.deviantart.com/adrenalinerush1996/journal/0659-for-2022-Marvel-s-X-Men-before-Secret-Wars-915809161 

• 1975 - All-New, All-Different X-Men era
• 1976 - All-New, All-Different X-Men era
• 1977 - All-New, All-Different X-Men era
• 1978 - All-New, All-Different X-Men era / Uncanny X-Men era
• 1979 - Uncanny X-Men era
• 1980 - Uncanny X-Men era / Post-Dark Phoenix era