X-Men Milestones in order

By Alex Wiggan

Between 2019 and 2020, Marvel Comics published a collection of X-Men trade paperbacks under the banner headline ‘Milestones’. The collection included a run of X-Men ‘event’ stories, dating back to the 1970s.

X-Men Milestones covered the Dark Phoenix Saga, The X-Cutioner’s Song, Onslaught, and Age of X, amongst others. The books grouped together iconic stories for both long-time fans and newcomers, and featured a wealth of characters from the X-Men mythology.

But if you’re new to the X-Men, and you want to read the books in timeline order, where do you start? Answer: With the handy list below!

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X-Men Milestones in order

Below is a list of the X-Men Milestones books in order. The books cover stories from the ‘70s, ‘80s, ‘90s, ‘00s, and ‘10s.

Dark Phoenix – Uncanny X-Men #129 – #137
Mutant Massacre – Uncanny X-Men #210 – #214, X-Factor #9 – #11, New Mutants #46, Thor #373 – 374, Power Pack #27 and Daredevil #238
Fall of the Mutants – Uncanny X-Men #225 – #227, New Mutants #59 – 61 and X-Factor #24 – #26
Inferno – X-Terminators #1 – #4, Uncanny X-Men #239 – #243, X-Factor #35 – #39 and New Mutants #71 – #73
X-Tinction Agenda – Uncanny X-Men #235 – #238 and #270 – #272, New Mutants #95 – 97, and X-Factor #60 – #62
X-Cutioner’s Song – Uncanny X-Men #294 – #297, X-Factor #84 – #86, X-Men #14 – #16, X-Force #16 – #18, Stryfe’s Strike File #1
Fatal Attractions – Uncanny X-Men #298 – #300, #303 – #304, #315, X-Factor #92, X-Force #25, X-Men Unlimited #2, X-Men #25, Wolverine #75 and Excalibur #71
Phalanx Covenant – Uncanny X-Men #305 – #306, #312 – #313, #316 – #317, Excalibur #78 – #80, #82, X-Men #36 – #37, X-Factor #106, X-Force #38, Wolverine #85, Cable #16
Onslaught – Uncanny X-Men #333 – #337, X-Men #53 – #57, Onslaught: X-Men, Onslaught: Marvel Universe, Onslaught Epilogue, Avengers #401, Fantastic Four #415, Wolverine #104, and Cable #35
Operation Zero Tolerance – Generation X #27, X-Men #65 – #70, Uncanny X-Men #346, Wolverine #115 – #118, and Cable #45 – #47
Messiah Complex – X-Men: Messiah Complex One-Shot, Uncanny X-Men #492 – #494, X-Men #205 –#207, New X-Men #44 – #46, and X-Factor #25 – #27
Messiah War – X-Force/Cable: Messiah War #1, Cable #13 – #15, X-Force #14 – #16, and X-Men: Future History – The Messiah War Sourcebook #1
Necrosha – New X-Men #32, X-Force #11, #21 – #25, New Mutants #6 – #8, X-Men: Legacy #231 –#234, X Necrosha, X Necrosha: The Gathering, and material from X-Force Annual #1
Second Coming – Second Coming: Prepare, Second Coming #1 – #2, Uncanny X-Men #523 – #525, New Mutants #12 – #14, X-Men Legacy #235 – #237, and X-Force #26 – #28
Age of X – Age of X Alpha #1, X-Men Legacy #245 – #247, New Mutants #22 – #24, and Age of X: Universe #1 – #2

Please note: Some of the events of X-Tinction Agenda take place prior to Inferno, but the majority of the book takes place after this story, which is why it is listed accordingly.