time line

Before Dragon Ball
Year/Date Event
4237 B.C. The ancestors of Garlic Jr. come to earth from their home, The Makyo Star.
739 B.C. Princess Snake settles on Snake Way in her castle along-side of it.
238 B.C. The First Primative Super Saiyan is Born.
250 A.D. Baba(Master Roshi's Sister)begins her fortune telling buisness.
261 A.D. King Yamma travels Snake Way to get training from King Kai. Princess Snake meets him and falls in love.
On Nameck, violent storms ravage the planet and destroy many of the life giving Ajisa plants. The Son of Katat is sent to away fom the destruction to the planet Earth. But the storms stop and no one follows the child.

430 A.D. Master Roshi is born.
459 A.D. Tienshinhan's brother, Tao Pai Pai, is born.
461 A.D. Garlic Sr. assaults the throne of Kami for not choosing him as his successor. He is defeated and trapped by Kami.
The Son of Katat is the chosen one and ascends to the throne.
The Son of Katat trys to rid himself of all evil, therefore seperating the evil from the good creating Kami & Piccolo Daimaou

650 A.D. Master Roshi finds the 3-Star Dragon Ball washed up on his beach.
650 A.D. May 7th The first Tenkaichi Budoukai takes place.
658 A.D. Gohan(Not Goku's Son) is born.
662 A.D. Kami tells Mr. Popo what he remembers about his childhood.
715 A.D. The great Emperor Pilaf is born.
720-730 A.D. The Saiyan's unite on Vegeta and begin a war against the Truffals for control of the planet Plant.
A full moon on Vegeta help the Saiyan's to quickly defeat the Truffals.
The Saiyan's begin space travel and meet aliens from other planets.

731 A.D. The Saiyan's begin their partnership with Frieza and start conquering planets for sale.

732 A.D. The birth of Prince Vegeta.
733 Bulma, Yamcha, and Tenshinhan are born.
735 A.D. Frieza starts to feel mutiny in the Saiyan's.
736 A.D. Krillin is born
737 A.D. A 3rd Class Saiyan fighter is born to the 2nd Class fighter Bardock. He is rejected as a failure. In his first few days alive he's sent to the planet Earth to destroy it when he grows older. His name is Kakorot(Goku).
King Vegeta's revolt against Frieza ends in failure with the death of Planet Vegeta along with his own.
Bardock dies trying to protect planet Vegeta and his future.
Kakorot lands on Earth.
The Ox King's daughter Chi-chi is born. His wife dies shortly after the birth.

June-August Gohan finds a small baby in the woods. He names him Goku.
738 A.D. Goku hits his head on a rock after falling down a cliff. He stops being a wreckless evil child and becomes a happy loving boy.
740 A.D. Oolong is born.
Krillin begins his training at the Orinji Temple.

747 A.D. Yamucha meets Puuaru.
749 A.D. First ten days of April Bulma enters Senior High School in the Western City.
749 A.D. Bulma discovers the 2-Star Dragon Ball in her basement.
749 A.D. 22 August Bulma discovers the 5-Star Dragon Ball in a cave to the north.

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Dragon Ball
Date Event
749 A.D. September 1st Bulma is on her summer vacation searching for the Dragon Balls.
Bulma meets Goku later that day.
Bulma discovers that the sphere Goku owned, which he thought contained his grandfather's soul, was actually the 4-Star Dragon Ball.

749 A.D. September 2nd In the morning, Goku and Bulma meet Kami and he gives them the 3-Star Dragon Ball.
749 A.D. September 5th An elderly woman gives Goku the 6-Star Dragon Ball.
749 A.D. September 6th Goku meets Yamcha for the first time and fights quickly with him, only to have it end in a draw.
749 A.D. September 9th Goku defeats Yamcha
Master Roshi uses the Kame-Hame-Ha to put out the flames on Frypan Mountain. Unfortunately the blast is too strong and destroys the mountain and the castle. Among the debris, the 7-Star Dragon Ball is found.
The Dragon Balls are stolen from Goku and gang.
Pilaf summons Shenron. Later, Goku looks at the moon and turns into a giant ape and destroys Pilaf's castle.

749 A.D. September 10th Goku and Krillin become Master Roshi's students. Later, Master Roshi moves his house to an island and Goku and Krillin prepare for their tough training with the martial arts master.

749 A.D. September 14th At 4:30 AM Goku and Krillin begin their tough training under Kame Sennin. They will spend the next 8 months training this way.

750 A.D. April 6th Goku and Krillin increase the weight of the shells on their backs to 40 kg. to increase the results of their training.

750 A.D. May 6th Goku, Krillin and Master Roshi leave the Kame House to participate in the 21st Tenkaichi Budoukai.

750 A.D. May 7th The 21st Tenkaichi Budoukai takes place. Master Roshi wins. Goku takes second place.
Goku and Chi-chi meet again in the Ox King's village.

750 A.D. May 9th Goku begins climbing Korin Tower.

750 A.D. May 10th Goku reaches the top of Korin Tower and begins his training which is to take the Super Holy Water from Korin.

750 A.D. May 12th After 3 days of training, Goku finally gets the Super Holy Water. He's surprised when he finds that it was only plain tap water. It was actually the fighting to get it that made him stronger.

Between 750 and 753 A.D. Goku begins his training which is to run around the World.
Goku meets Tenshinhan for the first time.

753 A.D. May 5th Goku swims to Papaya Island where the 22nd Budoukai will take place.

753 A.D. May 7th The 22nd Budoukai takes place. Tenshinhan wins. Goku comes in a close second.
Krillin is killedm and Piccolo Daimaou appears.

753 A.D. May 9th Goku kills Piccolo Daimaou.
Piccolo is born.
Goku reaches Kami's Palace and trains there for the next three years with Mr. Popo and Kami.

756 A.D. May 7th The 23rd Tenkaichi Budoukai begins.
Goku becomes engaged to Chi-chi after their fight in the tournament.
Goku defeats Piccolo and wins the Tenkaichi Budoukai for the first time.

757 A.D. Sometime in May. Gohan is born.

761 A.D. Goku, Piccolo, Krillin and Gohan battle Garlic Jr. and send him into his Dead Zone.(DragonBall Z The Movie: Deadzone)

Dragon Ball Z
Date Event
761 A.D. October 12th Raditz arrives to retrieve his brother. Goku sacrafices himself, and he and Raditz are killed by Piccolo's Special Beam Cannon.
Vegeta and Nappa stop at a small planet named Arlia. After finding the planet in unsuitable for sale, they destroy the planet. After this, they go into a state of suspended animation. They're headed for the planet Earth.

A period of several months Gohan begins his survival training.
Yamcha is employed as a professional baseball player.
Gohan becomes homesick and tries to escape from his training area and return home. After meeting Pigero and other orphans whose parents where killed in a ship wreck, he regains his courage and returns to his training.

762 A.D. Some time in March. Krillin, Chao-Zu, Yamcha, Tenshinhan and Yajirobe are training at Kami's Palace.

762 A.D. April 29th Goku arrives at King Kai's planet.

762 A.D. May 9th Goku finally catches Bubbles. His next training is to hit a cricket Gregory with an incredibly heavy hammer.

762 A.D. May 23rd Gokou hits Gregory on the head with the hammer.

762 Some time in May. Krillin, Tenshinhan, Chao-Zu and Yamcha make a spiritual travel to the old planet Vegeta. They are all easily killed by two weak Saiyan's. When they return to their bodies, they all decide to continue training hard.

762 A.D. November 2nd Goku is ressurected after having completed his training under Kaio Ken.

762 A.D. November 3rd Vegeta and Nappa arrive on Earth.
Gohan, Piccolo, Tenshinhan, Krillin, Chaozu and Yamcha face off against the Saiyan's.
Nappa, Yamcha, Piccolo, Tenshinhan and Chao-Zu are all killed. The battle between Goku and Vegeta ends in a draw.
A micro-sized robot made to look like an insect is deployed by Dr. Gero to collect blood samples from the strongest fighters for use in the construction of Cell.

762 A.D. November 4th Goku, Krillin and Gohan are hospitalized in the East City Hospital.

762 A.D. November 7th Krillin and Gohan leave the hospital.

762 A.D. November 9th The reconstruction of Kami's spaceship is completed.

762 A.D. November 14th Bulma completes her lessons in the Nameckian language. Gohan, Krillin and Bulma leave for Nameck.

762 A.D. November 21st Vegeta lands on Freeza Planet Number 79.

762 A.D. December 13th Vegeta's injuries are completely healed. He leaves immediatley for planet Nameck.

762 A.D. December 18th Vegeta, Kuwi, Bulma, Krillin and Gohan all land on Nameck at about the same time.
Goku leaves for Nameck.
Dende takes Krillin to meet Guru.
Piccolo, Tenshinhan, Chao-Zu and Yamcha arrive at King Kai's planet and begin their training there.
Goku's spaceship gets trapped in the gravity of the star. By using the Kame-Hame-Ha he is able to escape.

762 A.D. December 19th Zarbon takes Vegeta's beaten body to Frieza's ship to heal him.

762 A.D. December 20th Vegeta fights Zarbon for the second time. He kills him.
Krillin takes Gohan to meet the Guru.
By Frieza's order, The Ginyu Force's are dispaced to Namek.

762 A.D. December 23rd Goku completes his training under 100 X gravity.
762 A.D. December 24th The Ginyu Force is destroyed.
Piccolo is revived. Krillin is killed.
Gokou becomes the Legendary Super Saiyan and defeats Frieza.
The planet Nameck blows up.

763 A.D. May 3rd Krillin and Yamcha are revived by the Nameckian Dragon Balls.

763 A.D. September 9th Tenshinhan and Chaozu are revived.
The refugee Nameckians are transported to New Nameck by a wish to the Nameckian Dragon Balls.

763 A.D. Sometime in October. After 5,000 years the Makyo Star approaches Earth and Garlic Jr. is freed from his Dead Zone. But he is again defeated by Gohan and trapped for good in the Dead Zone since the Makyo Star is destroyed.

Exact Date Unknown Cell arrives(4 Month's before Trunks)in Trunks' Time Machine and goes underground to absorb nutrients.
Frieza's cyborg body is completed.

764 A.D. Some time in August. Trunks arrives. He kills Frieza and King Kold.
Goku returns to Earth.

Unknown Dates Vegeta's rage, anger and sorrow towards Goku push him to the level of Super Saiyan.
A relationship slowly develops between Vegeta and Bulma.

766 A.D. Trunks is born.
767 A.D. Goten is born.
767 A.D. May 7th The 24th Tenkaichi Budoukai takes place. Mr. Satan is the winner.
767 A.D. May 12th All of the Artificial Humans appear. Cell shows up later that day.
Piccolo and Kami fuse. Piccolo is temporarily the strongest character.
Goku dies due to heart disease.
The Cell of the present is destroyed along with Dr. Gero's underground lab by Krillin and Trunks.

767 A.D. May 15th Goku's heart disease is cured by the medicine Trunks brought from the future.
Vegeta and Trunks enter the Room of Spirit and Time.

767 A.D. May 16th Cell reaches his second stage.
Cell reaches his perfect form.
Goku and Gohan enter the Room of Spirit and Time.

767 A.D. May 17th Cell announces the Cell Game to the entire World.
Goku and Gohan exit the Room of Spirit and Time. Piccolo enters it.

767 A.D. May 18th Piccolo exits the Room of Spirit and Time, Vegeta enters it again.

767 A.D. May 19th Dende becomes the new Guardian of Earth.
Vegeta exits the Room of Spirit and Time. Trunks enters.

767 A.D. May 20th Trunks exits the Room of Spirit and Time.

767 A.D. May 26th At 12 noon the Cell Game begins.
Goku dies a second time by sacraficing himself to save the Earth.
Gohan completely destroys Cell.

767 A.D. May 27th Goku's funeral.
Trunks returns to his time.

767 A.D. Between May and June. Goku visits King Kai's planet and meets King Kai.
Baby Trunks takes his first steps.

770 A.D. Krillin and No. 18 get married.

771 A.D. Marron is born.

773 A.D. The search for the sphere in which Majin Buu is sealed in begings on Earth.

774 A.D. March 28th Gohan finishes the first grade level at Orange Star High School.

774 A.D. April 7th There's a sighting of the Golden Haired Warrior in Satan City.
Gohan begins the second grade level at Orange Star High School. He meets Videl.
Gohan meets Bulma, she works on a transformation suit for him so he can disguise himself when fighting crime.
The Great Saiyaman appears for the first time!

774 A.D. April 8th Videl discovers that Gohan is the Great Saiyaman.

774 A.D. April 9th Gohan teaches Videl how to fly.

774 A.D. April 10th Vegeta finds out that Young Trunks is able to turn Super Saiyan.

774 A.D. April 20th Videl masters the flying technique.

774 A.D. May 7th The 25th Tenkiachi Budoukai takes place.
Goku returns to Earth for a single day to compete in the tournament.
Majin Buu appears. Vegeta sacrafices his life trying to defeat him.
Due to turning Super Saiyan Level 3, Goku is forced to return to the after-life early.
Gohan mistakenly frees Rou Kaioushin from the Z Sword. Rou Kaioushin begins the ceremony to upgrade Gohan's power.

774 A.D. May 8th Piccolo, Gotenks and Gohan are absorbed by Buu.
Buu kills almost every single person on Earth.
Rou Kaioushin gives Goku his life allowing him to return to Earth.
Vegeta returns to Earth with the help of Uranai Baba(Master Rohsi's Sister).
Buu destroys the Earth.
Porunga restores the Earth.
Vegeta's life is restored when all of the good people who died are wished back to life.
Goku destroys Buu with the Super Spirit Bomb.

774 A.D. September 7th Shenron erases everyone's memories of Buu.

778 A.D. May 7th The 26th Tenkiachi Budoukai takes place. Mr. Satan is the winner. Buu comes in second.

779 A.D. Pan is born to Gohan and Videl.

780 A.D. Bra is born to Vegeta and Bulma.

781 A.D. May 7th The 27th Tenkiachi Budoukai takes place. Mr. Satan wins. Buu comes in second place.

784 A.D. May 7th The 28th Tenkaichi Budoukai takes place. Goku leaves with Uub to train him.

Dragon Ball GT
Date Event
789 A.D. Goku, Pan and Trunks blast off into outer space to search for the Ultimate Dark Star Dragon Balls to Return Goku to his original bodys state.(Goku was wished into this child like body due to a misunderstanding on the park of Shenron.)
After 9 months in outer space, Goku meets Bebi.
Bebi is outnumbered so he escapes to Earth where he takes control of almost every person and becomes more powerful.
Bebi uses the Ultimate Dark Star Dragon Balls to create Planet Tursal.
Goku reaches Super Saiyan Level 4.
Gokou and Bebi partake in a titanic battle which ends with the death of Bebi and the destrcution of the Tursal race.
The Ultimate Dark Star Dragon Ball's crack and the Evil Dragons are released.
The Evil Dragons are all defeated, Shenlon returns to normal and grants one last wish as long as Goku goes with him. Shenlon flies off with Goku. Goku stops top say good-bye to all the Z-Warriors.
The Dragon Balls are absorbed into Goku's body, and Goku is not seen for around 50 years. Pan spots her Grandfather but is unable to catch up with him. The final episode of the Dragon Ball series ends with flash back to Dragon Ball, Dragon Ball Z and Dragon Ball GT memorible moments.
Thanks for a great show Akria Toriyama!!!!!