Dragon Ball Timeline:
Age 739:
- Bardock: The Father of Goku (TV Special)
- Bardock, a low-class Saiyan warrior, fights against Frieza and receives a vision of the future destruction of the Saiyan race.
Age 749:
- Dragon Ball: Episode of Bardock (Manga/Anime)
- Bardock is transported back in time to the planet Plant, where he becomes the legendary Super Saiyan and faces off against Chilled.
Age 756:
- Dragon Ball (Manga/Anime)
- The story follows Goku's adventures from his childhood to adulthood, including his battles against powerful foes like King Piccolo, Piccolo Jr., and Frieza.
Age 764:
- Dragon Ball Z (Manga/Anime)
- Goku learns of his extraterrestrial heritage and faces the powerful Saiyan warriors, Vegeta and Nappa. The series continues with epic battles against Frieza, the Androids, Cell, and Majin Buu.
Age 767:
- Dragon Ball Z: Broly - The Legendary Super Saiyan (Movie)
- Broly, a legendary Super Saiyan, seeks revenge on Goku and his friends for the perceived injustice done to him as a child.
- Dragon Ball Z: Broly - Second Coming (Movie)
- Broly returns as a vengeful force, targeting Goku's son, Gohan, on Earth.
- Dragon Ball Z: Bio-Broly (Movie)
- A clone of Broly is created and wreaks havoc on a remote island.
Age 774:
- Dragon Ball Z: Fusion Reborn (Movie)
- The dead are resurrected and wreak havoc on Earth. Goku and Vegeta fuse into Gogeta to save the day.
- Dragon Ball Z: Wrath of the Dragon (Movie)
- A hero from ancient times, Tapion, is released from a magical music box and seeks the Z Fighters' help to defeat a fearsome creature, Hirudegarn.
Age 778:
- Dragon Ball GT (Anime)
- Goku is transformed into a child and embarks on a journey through space to recover the Black Star Dragon Balls, which, if not returned to Earth within a year, will cause the planet's destruction.
Age 789:
- Dragon Ball: Yo! Son Goku and His Friends Return!! (OVA)
- A new threat arrives on Earth, prompting Goku and his friends to join forces once again.
Age 790:
- Dragon Ball Super (Anime/Manga)
- The story continues with new adventures and enemies, including the powerful God of Destruction, Beerus, and the multiverse tournament featuring fighters from different universes.
Age 780-784:
- Dragon Ball Super: Broly (Movie)
- Broly's origins are explored as he battles Goku, Vegeta, and Frieza.
Note: The events of Dragon Ball GT are considered non-canon since they were not based on the original manga by Akira Toriyama. The events of Dragon Ball Super, including the movies, are considered part of the official continuity.