Sword Art Online Timeline

2008

 * Kazuto is adopted by the Kirigaya family after his birth and his parents' apparent death.

2018

 * Kazuto finds out about his parents' deaths.

September/October

 * Asada Shino is involved in a bank robbery.

May

 * The NerveGear is created.

August

 * The Sword Art Online Closed Beta is launched.
 * Kirito encounters Argo.

September

 * The Sword Art Online Closed Beta is closed.

November
November 6th
 * Start of Sword Art Online Official Server Service.
 * Kirito shows Klein the basics of the game
 * 17:30 Aincrad Standard Time - Kayaba Akihiko successfully traps 10,000 Players in the game. Of this 10,000, approximately 700-800 are beta testers.
 * 213 people died because of family or friends of the players attempted to remove the NerveGear from their head.
 * Kirito parts ways with Klein and heads to Horunka village.
 * Kirito goes off to complete the «Secret Medicine of the Forest» quest. He meets Coper, another beta tester. Coper tries monster PK on Kirito only to end up dying himself.

After November 6th

 * The guild Aincrad Liberation Force was started.

December

 * Suguha finds out about Kazuto’s parents’ death.
 * 2000 people had died from playing Sword Art Online. Of this number, roughly 300 deaths were beta testers.
 * The top class proto-front-lines group is barely level 10 on average.

December 2nd

 * Kirito meets Asuna.
 * The First Floor Boss Strategy Meeting is held in the Town of Tolbana.

December 3rd

 * Diabel's party finds the boss room
 * The second First Floor Boss Strategy Meeting was held. Asuna temporarily joins Kirito's party.
 * Asuna borrows Kirito's bathroom.

December 4th

 * 10:00 Aincrad Standard Time - The First Floor Boss Raid Group bands together.
 * Kirito deals the Last Attack on Illfang the Kobold Lord. He gains the Coat of Midnight as a bonus.
 * The term Beater was created.
 * Kirito opens the teleport gate to the second floor. The first Town Opening is held.
 * Kirito helps Argo out. He starts the acquisition quest for the Martial Arts Extra Skill.

December 7th

 * Kirito completes the acquisition quest for the Martial Arts Extra Skill.

December 8th

 * Asuna forces Kirito to help her hunt «Needle of Wind Wasp».
 * Kirito is Level 13

December 14th

 * The second floor boss is defeated.
 * Asuna and Kirito party together. With Kirito's help, Asuna defeats the Dark Elf

2023

 * Konno Yuuki begins using the MediCuboid.

April 8th

 * Kirito joins the guild Black Cats of the Full Moon.

May

 * Creation of AmuSphere and ALfheim Online.

May 9th

 * Lead Group makes it through the 28th Floor, according to the Weekly Argo newspaper.

June

 * Death of the Black Cats of the Full Moon.

October-November

 * Kirito acquires the unique skill "Dual Blades".

November

 * Suguha joins ALO.
 * Kirito learns rumors of a rare item drop which can revive dead players from Argo. Kirito starts power leveling even more so than before in order to solo the event.

December 24th

 * Kirito defeats the event boss, Nicholas The Renegade and receive the rumored item drop, Divine Stone of Returning Soul, only just to be disappointed by its description.
 * Kirito receives a Timer-Activated Message Record Crystal from Sachi.
 * Front line is at 49th Floor.

2024
January
 * Birth of the red guild "Laughing Coffin" (January 2024, SAO).
 * Kirito acquires the sword Elucidator from a rare drop.

February

 * Volume 2 - "Black Swordsman".
 * Front Line is at 55th Floor.

March 6th

 * ME1 - "The Progressers".
 * 56th Floor Boss Strategy Meeting
 * Duel between Asuna and Kirito; Kirito is Level 71.

March 7th

 * 57th Floor is reached

April

 * Serious meeting between Asuna and Kirito.
 * Volume 8 - "A Murder Case in the Area".
 * Front Line is at 59th Floor.

June

 * Volume 2 - "Warmth of the Heart".
 * Kirito acquired the sword "Dark Repulser".
 * Front Line is at 63rd Floor.

August

 * Gaiden - "Sound of Water, Sound of Hammer".
 * Front Line is at 70th Floor.
 * Coalition against "Laughing Coffin".
 * 74th Floor of Aincrad reached.

September

 * ME4 - "Cold Hand, Warm Heart".

October

 * Volume 3 - Beginning of Prologue.
 * Volumes 1, 2 - Prologue.
 * Volume 1 - Chapter 1.
 * Volume 1 - End of Chapter 4.
 * Volume 1 - Chapters 5-12.

October 9th

 * Front liners actively begin exploring the 74th Floor.

October 18th

 * Kuradeel challenges Kirito to a duel
 * The Gleam Eyes is defeated; 75th Floor of Aincrad is reached.

October 19th

 * Kirito meets Heathcliff and they agree to duel.
 * Volume 1 - Chapter 12

October 20th

 * Kirito duels with Heathcliff and loses; Kirito joins the "Knights of Blood".
 * Volume 1 - Chapter 13.

October 22nd

 * Kirito meets with Godfree and Kuradeel to train in the 55th Floor dungeon
 * Kirito proposes marriage to Asuna
 * Gaiden - Chapter 16.5.
 * Volume 1 - Chapters 14-16.

October 24th

 * Kirito and Asuna request leave from the Knights of the Blood.
 * "The Day Before", Kirito, Asuna and Argo took the "Wirzard of Oz" side quest. After that, they get married on this day.

October 25th

 * Kirito and Asuna move into their new home on the 22nd Floor.

October 26th - 29th

 * ME6 - "Algade Showdown".

October 30th

 * Kirito and Asuna encounter Yui
 * Volume 2 - "Morning Dew Girl".

October 31st

 * Kirito and Asuna travel to Starting City with Yui; they encounter Sasha and the orphanage

November

 * Volume 1 - Chapters 17-19.

November 1st

 * Kirito and Asuna are approached by Yulier. They enter the dungeon under Black Iron Castle.
 * Yui is erased by Cardinal, but not before Kirito saves the data.

November 2nd

 * Kirito and Asuna leave Starting City and return to the 22nd Floor.

November 3rd

 * Kirito meets Nishida.

November 6th

 * Kirito and Nishida successfully manage to fish the local fish god.

November 7th

 * Volume 1 - Chapters 20-24.
 * 10:00 AM: Kirito and Asuna report at Grandum
 * 1:00 PM: Raid party departs for the 75th Floor Dungeon
 * ~2:20 PM: The Skull Reaper is defeated
 * 2:55 PM: Kirito defeats Heathcliff; Sword Art Online is Cleared
 * SAO Deleted.
 * Volume 1 - Chapter 25.
 * End of Aincrad.
 * Volume 3 - End of Prologue.

January

 * ME5 - "Salvia".
 * Volume 3 - Chapter 1.
 * Volumes 3-4 - Chapters 2-5.
 * "Excaliber" found.
 * Volume 4 - Chapters 6, 7.
 * Volume 4 - Chapter 8.
 * Creation of "Seed".
 * Sugou Nobuyuki Arrested.
 * ALO Suspended.

March

 * Akihiko Kayaba's whereabouts.

April

 * Gun Gale Online Created

May

 * Volume 4 - Chapter 9.
 * End of Fairy Dance.

June

 * Meeting between Shinkawa Kyouji and Asada Shino.
 * Shino joined GGO.
 * Shino acquired "Ultima Ratio Hecate II ".

August

 * 1st “Bullet of Bullets”.

October

 * 2nd “Bullet of Bullets”.

November

 * Volume 5 - Prologue.
 * "Death Gun" Murders.

December

 * Volume 5 - Chapters 1, 2.
 * Volume 5 - Chapter 3.
 * Volume 5 - Chapters 4-6.
 * 3rd “Bullet of Bullets”.
 * Volume 5 - Chapter 7.
 * Volume 6 - Chapter 7.2.
 * Volume 6 - Chapters 8-10.
 * Volume 6 - Chapters 11.
 * Volume 6 - Chapter 12.
 * Volume 6 - Chapter 13.
 * Volume 6 - Chapters 14, 15.
 * The Shinkawa Brothers are arrested.
 * Atsushi Kanemoto escapes.
 * Volume 6 - Chapter 16.
 * The Phantom Bullet meet their end.

December 16th

 * Sinon joined ALO.

December 28th

 * Volume 8 - "Caliber".
 * Kirito acquired the sword "Excaliber".
 * Lisbeth acquired the hammer "Mjölnir".

December 31st

 * Silica Side Story: A Spot of Sunshine in the Winter

January

 * Volume 7 begins.

April

 * Volume 7 ends.
 * End of Mother's Rosario
 * Accel World Volume 10 - "Versus"

May 18th

 * ME3 - "Ceramic Heart".

June

 * Volume 9 - Alicization Beginning.
 * Volume 10 - Alicization Running.
 * Gaiden - "Cradle of the Moon".

August

 * Gaiden - "There is but one Ultimate way".

note: Please mind your language on editing and adding information in this wiki. Don't include any false informations nor out-of-topic informations to keep credibility of the information.