Timeline

10th Century

 * April 14, 953: Ansel Hale was born to two unnamed parents in Mystic Falls, United States.
 * July 31, 977 The werewolf gene of Ansel Hale is triggered by killing an unnamed man.
 * September 18, 979: Klaus Mikaelson was born to Ansel Hale and Esther Mikaelson in Mystic Falls, United States.
 * May 5, 980: Cayden Hale was born to Ansel and Lana Hale in Mystic Falls, United States.
 * February 24, 982: Kol Mikaelson was born to Mikael and Esther Mikaelson in Mystic Falls, United States.
 * October 14, 982: Madison Hale was born to Ansel and Lana Hale in Mystic Falls, United States.
 * August 13, 983: Rebekah Mikaelson was born to Mikael and Esther Mikaelson in Mystic Falls, United States.
 * January 25, 984: Allison Hale was born to Ansel and Lana Hale in Mystic Falls, United States.
 * June 25, 994: The werewolf gene of Cayden Hale is triggered by killing an unnamed man.
 * February 19, 998: The Werewolf gene of Allison Hale was triggered by killing an unnamed man.
 * August 13, 998: The werewolf gene of Madison Hale was triggered by killing an unnamed woman.

11th Century

 * November 18, 1 001: The First Vampires of the history, the Original Vampires were created by Esther Mikaelson through the Immortality Spell, creating at the same time the Original Werewolf/Vampire Hybrids.
 * November 21, 1 001: The werewolf gene of Klaus Mikaelson is triggered by killing an unnamed man.
 * November 19, 1 034: Annabeth Hale was born to two unnamed parents in Colnaja, Mexico.
 * January 27, 1 053: The Werewolf/Speedster Hybrid gene of Annabeth Hale was triggered by killing an unnamed woman.
 * December 2, 1 053: Annabeth Hale is turned into a Vampire by Cayden Hale's Blood and by being drained of blood by Cayden.

12th Century

 * January 25, 1 125: Emilia Hale was born to Cayden and Annabeth Hale in Colnaja, Mexico.
 * February 21, 1 141: The werewolf/speedster hybrid gene of Emilia Hale is triggered by killing an unnamed man.
 * January 25, 1 143: Emilia Hale turned into a Semi-Original Vampire by her blood and by being drained of blood by Cayden Hale.
 * March 7, 1 159: Ashley Hale was born to Taylor Curchis and Madison Hale in Ravenswood, United States.
 * February 27, 1 164: Chloe Hale was born to Taylor Curchis and Madison Hale in Ravenswood, United States.
 * June 6, 1 167: Alison Hale was born to Taylor Curchis and Madison Hale in Ravenswood, United States.
 * August 25, 1 176: The werewolf gene of Ashley Hale is triggered by killing an unnamed woman.
 * March 7, 1 777: Ashley Hale turned into a Semi-Original Vampire by her blood and by being drained of blood by Madison Hale.
 * November 17, 1 179: The werewolf gene of Chloe Hale is triggered by killing an unnamed woman.
 * February 21, 1 182: Chloe Hale turned into a Semi-Original Vampire by her blood and by being drained of blood by Madison Hale.
 * August 21, 1 182: The Werewolf gene of Alison Hale was triggered by killing Abraham Curchis, her paternal uncle.
 * June 6, 1 185: Alison Hale turned into a Semi-Original Vampire by Her blood and by being drained of blood by Madison Hale.

13th Century

 * June 4, 1 249: Valentina Hale was born to Cayden and Annabeth Hale in Colnaja, Mexico.
 * July 21, 1 265: The werewolf gene of Valentina Hale is triggered by killing an unnamed man.
 * June 4, 1 267: Valentina Hale turned into a Semi-Original Vampire by her blood and by being drained of blood by Cayden Hale
 * October 17, 1 283: Lea Hale was born to Mateo Lessoti and Allison Hale in Beacon Hills, United States.

14th Century

 * October 17, 1 301: Lea Hale turned into a Semi-Original Vampire by her blood an by having the neck broken by Allison Hale.
 * October 19, 1 301: The werewolf gene of Lea Hale is triggered by killing an unnamed man.

15th Century

 * June 5, 1 473: Katerina Petrova was born to Aleksandar Andonov and Galia Petrova in Sofia, Bulgaria.
 * July 26, 1 477: Luna Hale was born to Cayden and Annabeth Hale in Colnaja, Mexico.
 * April 6, 1 492: Katerina Petrova turned into a vampire by Rose-Marie's Blood and by hanging herself.
 * August 23, 1 493: The werewolf gene of Luna Hale is triggered by killing an unnamed woman.
 * July 26, 1 495: Luna Hale turned into a Semi-Original Vampire by her blood and by being drained of blood by Annabeth Hale

20th Century

 * April 15, 1 907: Davina Calix was born to Malcolm and Moira Calix in Exon, Scotland.
 * April 28, 1 925: The werewolf gene of Davina Calix is triggered by killing an unnamed woman.
 * April 14, 1 970: "Ansel Gardner" was "born" to two unnamed parents in Mystic Falls, United States.
 * August 21, 1 988: Ezra Fitz was born to an unnamed father and Dianne Fitzgerald in Las Vegas, United States.
 * December 25, 1989: Alison Hale killed almost all the town of Beacon Heights. This events is know as The Massacre of Beacon Heights.
 * March 19, 1 993: Toby Cavanugh was born to Daniel and Marion Cavanaugh in Rosewood, United States.
 * November 19, 1 993: Emily Fields was born to Wayne and Pam Fields in Rosewood, United States.
 * February 25, 1 994: Caleb Rivers was born to Jamie Doyle and Claudia Dawson in Ravenswood, United States.
 * March 7, 1 994: "Hanna Marin was "born" to Tom and Ashley Marin in Rosewood, United States.
 * April 11, 1 994: Spencer Hastings and Alex Drake were born to Peter Hastings and Mary Drake in Rosewood, United States.
 * June 6, 1 994: "Alison DiLaurentis was born to Kenneth and Jessica DiLaurentis in Rosewood, United States.
 * July 22, 1 994: Aria Montgomery was born to Byron and Ella Montgomery in Rosewood, United States.
 * October 8, 1 994: Mona Vanderwaal was born to Edwin and Leona Vanderwaal in Rosewood, United States.
 * November 2, 1 995: A unnamed vampire, under the orders of Marcel Gerard killed almost all of the Arcadians.
 * January 25, 1 996: "Allison Argent" was "born" to Chris and Victoria Argent in Los Angeles, California.
 * September 3, 1 996: Mike Montgomery and Theo Raeken were born to Byron and Ella Montgomery in Rosewood, United States.
 * November 18, 1 996: Malia Hale was born to Peter Hale and The Desert Wolf in Beacon Hills, United States.
 * March 19, 1 997: Lydia Martin was born to Ansel Hale and Nathalie Martin in Riverdale, United States.
 * October 14, 1 998: "Chanel Oberlin" was "born" to Karl and Happy Oberlin in Lincoln, United States.
 * February 27, 1 999: "Chloe Hall" was "born" to two unnamed parents in Beacon Heights, United States.
 * April 15, 1 999: "Davina Claire was "born" to Thomas and Margaret Claire in New-Orleans, United States.
 * June 5, 1 999: "Katherine Pierce" was "born" to two unnamed parents in Sofia, Bulgraia.
 * October 17, 1 999: "Hester Ulrich" was "born" to Wes Ulrich and Sophia Doyle in Lincoln, United States.

21th Century

 * January 25, 2 003: "Emilia Mansfield" was "born" to two unnamed parents in Buenos Aires, Argentina.
 * June 4, 2 003: "Ámbar Smith" was "born" to two unnamed parents in Buenos Aires, Argentina.
 * July 17, 2 003: Jason and Cheryl Blossom were born to Clifford Blossom and Nathalie Martin in Riverdale, United States.
 * July 26, 2 004: "Luna Valente" was "born" to Miguel and Monica Valente in Cancùn, Mexico.
 * September 2, 2 009: Alison DiLaurentis' Dissapearance.
 * April 28, 2 010: The Hybrid Curse is broken by Klaus, making him an Original Hybrid
 * June 15, 2 011: Katerina Petrova take the Immortality cure and returned back to her original species, Arcadian.
 * July 21, 2 011: Cheryl Blossom is turned into a Banshee/Werewolf Hybrid untrigged by The Dread Doctors
 * May 6, 2 012: Hope Mikaelson was born to Klaus Mikaelson and Hayley Marshall in New-Orleans, United States.
 * February 17, 2 013: Lydia Martin is bitten by Peter Hale and her Banshee powers are activated.
 * November 23, 2 016: Lydia Martin is turned into a Semi-Original Vampire by her blood and by being stabbed with an Arrow by Halwyn Valack.
 * November 24: The werewolf gene of Lydia Martin is triggered by killing Halwyn Valck.
 * September 12, 2 017: The Werewolf gene of Mona Vanderwaal is triggered by killing Charlotte DiLaurentis.
 * October 18, 2 018: Shay and Tyler Rivers were born to Caleb Rivers and Ashley Hale in Rosewood, United States.
 * February 13, 2 019: Sasha Calix was born to Calum Calix and Katerina Petrova in Los Angeles, United States.
 * February 17, 2 019: Mona Vanderwaal is turned into a vampire by Ashley Hale's Blood and by being shot by idky.
 * August 31, 2 021: The werewolf/banshee hybrid gene of Cheryl Blossom is triggered by killing an unnamed man.