Dragon Ball Timeline: Important Events, Movies, and Non-Canon Series
Age 739:
- The Saiyan baby, Kakarot (later known as Goku), is sent to Earth by his father, Bardock, just before the destruction of Planet Vegeta.
Age 749:
- Goku is found and adopted by Grandpa Gohan.
- Goku accidentally transforms into a Great Ape and kills Grandpa Gohan.
Age 756:
- Goku meets Bulma and they set off on a journey to find the seven Dragon Balls.
- Goku meets Master Roshi and trains under him.
- Goku participates in the World Martial Arts Tournament and wins.
Age 761:
- Pilaf Gang gathers the Dragon Balls and accidentally summons Shenron. Goku defeats them and prevents their wish.
- Goku, Bulma, and Krillin face off against Emperor Pilaf, who accidentally wishes for Goku to become a child.
- Goku and his friends face off against the Red Ribbon Army and eventually defeat them, including their leader, Commander Red.
Age 762:
- Goku and Krillin train under Master Roshi and compete in the 21st World Martial Arts Tournament. Goku defeats Krillin in the final match.
- Goku battles Tien Shinhan in the 22nd World Martial Arts Tournament and emerges as the winner.
Age 767:
- Goku and his friends participate in the 23rd World Martial Arts Tournament, where Goku defeats Piccolo Jr. and wins the tournament.
- Goku marries Chi-Chi and they have a son named Gohan.
Age 770:
- Raditz, Goku's long-lost Saiyan brother, arrives on Earth and kidnaps Gohan. Goku sacrifices himself to defeat Raditz.
- Vegeta and Nappa arrive on Earth to find the Dragon Balls. Goku's friends, including Piccolo, Tien Shinhan, Chiaotzu, Yamcha, and Krillin, fight against them.
- Goku arrives on Namek after training under King Kai. He helps his friends against the villainous Frieza and his henchmen.
- Goku transforms into a Super Saiyan for the first time and defeats Frieza.
Age 774:
- Garlic Jr. Saga (Non-canon series "Dragon Ball Z: Dead Zone")
Age 775:
- Cooler's Revenge (Non-canon movie)
Age 776:
- The Return of Cooler (Non-canon movie)
Age 778:
- Super Android 13! (Non-canon movie)
Age 779:
- The Galaxy's at the Brink!! The Super Incredible Guy (Non-canon movie)
Age 781:
- Broly - The Legendary Super Saiyan (Non-canon movie)
Age 782:
- Bojack Unbound (Non-canon movie)
Age 784:
- Broly - Second Coming (Non-canon movie)
Age 789:
- Bio-Broly (Non-canon movie)
Age 790:
- Fusion Reborn (Non-canon movie)
Age 791:
- Wrath of the Dragon (Non-canon movie)
Age 796:
- Battle of Gods (Non-canon movie)
- Resurrection 'F' (Non-canon movie)
Age 778-791:
- Dragon Ball GT (Non-canon series)
Age 801:
- Universe Survival Saga (Non-canon series "Dragon Ball Super")
- Tournament of Power (Non-canon series "Dragon Ball Super")
It's important to note that the events after the "Tournament of Power" in "Dragon Ball Super" have not been covered in the official canon as of my knowledge cutoff in September 2021.