X-Men (Vol 1 1963) Issues 101-141

Writer Chris Claremont and artist Dave Cockrum continue with this block of X-Men comics, with contributions from writer/artist John Byrne and inker Terry Austin. The title began as the X-Men for the first 141 issues, until it officially changed its name to the Uncanny X-Men with issue #142, although the descriptive Uncanny was included on the front covers from issue #114.

Key issues include;

#101 - 1st appearance of Phoenix                            #102 - Origin of Storm. 1st Juggernaut vs Colossus
#104 - 1st cameo appearance of Starjammers         #107 - 1st appearance of Starjammers
#108 - John Byrne X-Men artwork run begins          #109 - 1st appearance of Weapon Alpha
#110 - Phoenix joins X-Men                                      #114 - 1st appearance of Uncanny in Title
#116 - Debut of Wolverines Healing Powers            #118 - 1st appearance of Mariko Yashida

#120 - 1st cameo appearance of Alpha Flight          #121 - 1st full appearance of Alpha Flight
#129 - Dark Phoenix Saga begins. 1st appearances of Kitty Pryde, Emma Frost, Sebastian Shaw, the Hellfire Club. 
#130 - 1st appearance of Dazzler                            #134 - Phoenix becomes Dark Phoenix
#137 - Death of Phoenix                                          #139 - Kitty Pryde joins the X-Men
#141 - Intro into Days of Future Past story, 1st appearances of new Brotherhood of Evil Mutants, Rachel (Phoenix II), Death of Franklin Richards