This is the timeline of the Yu-Gi-Oh! universe in Hawkatana's Yu-Gi-Oh! Xross canon. Be aware that the events that occur in this continuity are separate from the events that occur in Yu-Gi-Oh! to Yu-Gi-Oh! VRAINS.
16th Century[]
1540's[]
- Karcha is born
20th Century[]
1970's[]
- 1979
1990's[]
- 1996
- A mysterious red key-like object is discovered in Hokkaido, Japan (September 30)
- 1999
- The Grand Cross occurs. (August 17-18)
21st Century[]
2000's[]
- 2000
- The Italian-based multinational corporation Libra Co. Ltd creates the Duel Monsters card game (April 18)
- Giovanni Inanis is born (October 13)
- 2001
- A green key is discovered in The Valley of Kings, Egypt (August 7)
- 2003
- Kazuki Senku is born (June 4)
- 2004
- Domon Kagami is born (February 29)
- Ryoko Senku is born (October 21)
- 2008
- A blue key is discovered in the Peruvian highlands (October 1)
2010's[]
- 2013
- A paper is published by Oxford University detailing the similarities between the 3 keys, suggesting that the Ainu, Egyptian and Incan people had some form of contact between each other, but is ignored by the scientific community.
- 2015
- The keys are analysed, finding they were made from a previously unknown substance.
- 2016
- Libra commences the construction of a city where the Hokkaidan key was discovered (September 30)
2020's[]
- 2021
- Haven City is founded by Libra (July 25)
- 2024
- String Theory is proven conclusively in Cambridge University.
- 2027
- Ares Inanis is born (June 16)
- 2029
- Ryoma Senku is born (January 17)
2030's[]
- 2032
- Chiyome Asakura is born (June 6)
- Damon Rose is born (September 20)
- 2033
- Keishi Kagami is born (March 22)
- Takumi Ongaku is born (May 4)
- Yuga Senku is born (November 12)
- 2039
- The Fracture (August 13)
2040's[]
- 2045
- The Senku family moves to Seattle, America for Ryoma's higher education.
- RoseTech is founded.
- 2048
- 2049 - Yu-Gi-Oh! Xross