231-1900[]
- 231: Sir George is born.
- Prior to 1131: Destruction of the incursion homeworld takes place.
- 1131: Sir George acquires Ascalon via Azmuth.
- After 1131: Azmuth creates the Unitrix and the Prototype Omnitrix
- The Forever Knights are founded by Sir George.
- The Forever Knights kidnap a map making alien dragon.
20th Century[]
- Summer 1946: Max Tennyson is born.
- 1950s: 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.
- Early 1990s: Ken Tennyson is born.
December[]
- 1990s: Kevin Levin is born. Ben and Gwen Tennyson are born roughly a year later.
1996 - 1999:
- Devin Levin is murdered by Ragnarok.
- Mrs. Levin marries Harvey Hackett.
21st Century[]
2000's[]
Prior to Kevin 11: Kevin destroys his house due to his insanity, then runs away thinking his stepdad's punishment was to kick him out on the street.
Unknown[]
- Mrs. Levin divorces Harvey.
Summer 2006[]
- The events of Ben 10 take place.
- Azmuth begins his work on an improved Omnitrix.
2006 - 2007[]
- The events of Ben 10: Destroy All Aliens take
- The past events of Ben 10: Omniverse take place.
2007 - 2010[]
- Ben removes the Omnitrix.
2010's[]
2011[]
- The events of Ben 10: Alien Force take place.
- Prior to Ultimate Alien: Aggregor kidnaps five Andromeda Aliens.
2012 - 2013[]
- The events of Ben 10: Alien Swarm take place
- The events of Ben 10: Ultimate Alien take place.
- The first 15 canon episodes and ten episode segments of Ben 10: Omniverse take place.
- The Time Travelers` Partner occurs