Timeline

Pre-Dragon Ball
Over 100 million years B.C.
Earliest Kai is thought to exist.
About 75 Million years B.C.
The 15th generation Kaioshin, Elder Supreme Kai, is sealed in the Z Sword.
About 5 Million years B.C.
The evil magician Bibidi is successful in creating Majin Buu. Majin Buu destroys hundreds of planets in the following years. Four of the [...]

Tenkiachi Budokai

The Tekaichi budokai(FUNimation dub: World Tournament) is a martial arts tournaments in which fighters compete to see who is the [...]