So, recently I watched an episode of Mistare Fusion's Dragonball Dissetion video series, wherein he revealed that the Dr. Slump series used the Gregorian Calendar. Upon learning this, I realized that I could translate the Dragonball Calendar to the Gregorian calendar, which could tell us when various Dragonball events took place in relation to our world. So I did. Note that these dates are derived from the Wiki, so they could be inaccurate.
1496/Age 261: The planet Namek suffers a severe cataclysm. The Namekian known as Katas sends his son away to protect him. The son eventually lands on Earth
1665/Age 430: Master Roshi is Born.
1666/Age 431: The son of Katas becomes the apprentice to Earth’s Kami.
1683/Age 448: Master Roshi begins training with Master Mutaito.
1696/Age 461: The son of Katas becomes Earth’s Kami, and the evil within his heart is split off into another being, who takes the name Piccolo. Piccolo ravages the earth, before being sealed away at the cost of Mutaito’s life.
1705 /Age 470: Kami creates the Dragonballs and scatters them around the Earth.
1885/Age 650: The First Tenkaichi Budokai is held.
1947/Age 712: Dr. Briefs founds The Capsule Corporation after inventing the Hoi Poi Capsule
1971/Age 736: The Saiyan Kakarot is born and Sent to Earth, where he is adopted and given the name Son Goku. The Planet Vegeta is destroyed
1980/Age 745: Arale Norimaki is created by Doctor Senbei Norimaki.
1984/ Age 749: Son Goku meets Bulma and helps her search for the Dragonballs. Along the way he meets the desert bandit Yamcha and his future wife Chi Chi. He then becomes a student of Master Roshi and meets his best friend, Krillin.
1985/ Age 750: Son Goku participates in the 21st Tenkaichi Budokai, and loses in the finals to Master Roshi, who is disguised as Jackie Chun. Goku then fights and Destroys the Red Ribbon Army.
1988/Age 753: The 22nd Tenkaichi Budokai is held, which is won by Tien Shinhan. The Demon King Piccolo is freed and occupies the capitol, and is killed by Son Goku, but not before Birthing a son known as Piccolo Jr.
1991/Age 756: The 23rd Tenkaichi Budokai is held, and Son Goku finally wins the competition after defeating Piccolo Jr. Goku also marries Chichi
1992/Age 757: Son Goku’s first son is born. He names him after his adopted father, Son Gohan
1996/Age 761: Son Goku is killed by his brother, the Saiyan known as Raditz. He is permitted by the celestial bureaucracy to train with King Kai.
1997/ Age 762: The Sayians Nappa and Prince Vegeta arrive on Earth and destroy Shanghai. They battle with Goku’s allies, killing several of them in the process. Son Goku is revived and defeats both Nappa and Vegeta, though Vegeta escapes Earth. While Goku recovers from the battle, his surviving allies travel to the planet Namek to use their Dragonballs to revive their fallen friends. On that world, they encounter the galactic Despot Frieza, and team up with the Saiyan Prince Vegeta. Goku travels to Namek himself and, after unlocking the ancient power of the Super Saiyan, Goku defeats Frieza on Christmas eve. The population of Namek is transferred to Earth.
1999/ Age 764: Frieza and his father King Cold arrive on Earth with the intent to slaughter the population. However, they are killed by a mysterious Super Saiyan known as Trunks. After Goku arrives back on Earth, Trunks warns him of a future Threat
2002/ Age 767: Son Goku battles the androids created by Doctor Gero, and Cell. Gohan achieves the Super Saiyan 2 form, but Goku is killed during the fight. He chooses to remain dead to protect the Earth.
Hercule Satan, real name Mark, wins the 24th Tenkaichi budokai.
2005/Age 770: Krillin marries Android 18.
2009/ Age 774: The Demon known as Majin Buu is released on Earth. After a protracted rampage he takes the form of Kid Buu, and destroys the lanet earth. He is later defeated by Goku and the Earth is restored
2011/Age 776: Vegeta’s Brother, Tarble, arrives on Earth seeking help defeating the remnants of the Frieza Force.
2013/ Age 778: Beerus, who holds the title of God of Destruction, comes to earth seeking a challenge. He battles Son Goku, and after defeating him, befriends him. Son Gohan marries Videl.
2014/Age 779: Vegeta and Goku begin training under Beerus’ mentor, Whis. Frieza is revived and obtains a new Golden form but is again defeated. Beerus and his Brother Champa hold a tournament pitting two teams against each other, which Goku competes in.
2015/ Age 780: Future Trunks returns requesting aid against a new threat. The Tournament of Power takes place.
2019/ Age 784: Son Goku begins training Uub, the reincarnation of Majin Buu.
Dragonball Timeline Translated to the Gregorian Calendar.
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