Ben 10: Intergalactic Battles/Timeline

Prior to 231AD

 * Millions of years prior to Omniverse
 * A meteor crashes on Galvan Prime.
 * The Omnivoracious species becomes extinct.
 * Before 231AD
 * Azmuth is born.
 * Zennith is born.
 * Azmuth creates Primus and later begins creation on Ascalon.
 * Zennith leaves Azmuth, he doesn't know until he found her gone when he finishes creating Ascalon.

231AD-1900

 * 231
 * Sir George is born.
 * Prior to 1131
 * The destruction of the Incursean homeworld takes place.
 * 1131
 * Sir George acquires Ascalon from 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

 * 1945
 * Summer
 * Max Tennyson is born.
 * 1952
 * Paradox's time machine fails, sending him out of time for 100,000 years.
 * 1962
 * Max meets Verdona along with the Synthroid.
 * Max is discharged from the Air Force in order to be an astronaut.
 * Magister Labrid invites Max to become a Plumber.
 * 1962-1970s
 * Max becomes a Plumber.
 * Early 1990s
 * Ken Tennyson is born.
 * Mid 1990s
 * Kevin Levin is born.
 * Ben Tennyson and Gwen Tennyson are born roughly a year later.
 * 1996 - 1999
 * Devin Levin is murdered by Ragnarok.
 * Seven years prior to the original series
 * Mrs. Levin marries Harvey Hackett.

21st Century

 * 2000s
 * Kevin destroys his house due to his insanity, then runs away thinking his punishment was being kicked out on the street.
 * Mrs. Levin divorces Harvey.
 * 7 years ago
 * Summer
 * The events of Ben 10 take place.
 * One week prior to The Big Tick
 * Arburia is destroyed by the Great One.
 * Azmuth begins working on the Omnitrix.
 * The events of Ben 10: Destroy All Aliens take place.[1]
 * 6 years ago
 * The flashback events of Ben 10: Omniverse take place.
 * 3 to 5 years ago
 * Ben removes the Omnitrix.
 * 2 years ago
 * The events of Ben 10: Alien Force take place.[2]
 * The events of Ben 10: Alien Swarm take place.
 * 1 year ago
 * Aggregor kidnaps Bivalvan, Andreas, P'andor, Ra'ad and Galapagus.[3]
 * The events of Ben 10: Ultimate Alien take place.[4]
 * Azmuth destroys the Ultimatrix.
 * The events of Ben 10: Omniverse take place.
 * March 2013
 * Gwen and Kevin reunite with Ben and Rook.