|This article belongs to an alternate timeline or dimension within the Classic Continuity|
Gwen Alters the Past Timeline was an alternate future of the Main Timeline after Gwen changed an event in the past in Time Heals.
- 231: Sir George is born.
- Prior to 1131: Destruction of the Incursean homeworld takes place.
- 1131: Sir George acquires Ascalon via Azmuth.
- After 1131: Azmuth creates the Unitrix and the Prototype Omnitrix.
- 1946: Max Tennyson is born.
- 1952: Paradox's machine fails, sending him out of time for 100,000 years.
- 1963: Max meets Verdona along with the Synthroid.
- 1960s: Max is discharged from the Air Force in order to be an astronaut.
- 1960s: Magister Labrid invites Max to become a Plumber.
- 1960s-1970s: Max becomes a Plumber.
- 1970's: Sandra Tennyson is born.
- Early 1990s
- Ken Tennyson is born.
- Mid 1990's
- Prior to Ben 10
- Kevin destroys his house due to his insanity, then runs away thinking his stepdad's punishment was to kick him out on the street.
- 5 years ago
- 4 or 2 years ago
- Ben removes the Omnitrix.
- Ben 10: Alien Force
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