Unified Story Timeline

This is a list of events in the Toaru Majutsu no Index universe, ordered chronologically.

1st Century AD

 * The Son of God is put to trial, and is later crucified by the Romans. He later dies by a stab from a spear to his chest. The Son of God, however, later resurrects and ascends to heaven three days after his death.

June 29

 * St. Peter is executed, though preparing well ahead of time, Peter chose the grounds of what would now become the Vatican, where the Croce di Pietro (prepared before his death) would later be erected on his tomb and establish the center of Christianity.

9th Century AD

 * Due to the increasing power gained by Venice, La Regina del Mare Adriatico was created by the Roman Catholic Church to destroy the city, its influences, and its culture. However, it was not used due to the fear of economic disaster that would be brought about by Venice's destruction.

June 7

 * The Lateran Treaty is ratified by the Kingdom of Italy and the Holy See, formally establishing the sovereignity of Vatican City.

1947

 * The Cold War between the United States of America and the United Soviet Socialist Republics begin, with both sides pouring money into the research of esper development for military use some time later during the conflict.

December 1

 * Edward Alexander Crowley is officialy recognized as dead. However, it is revealed that he survived, escaped into the remote English countryside, and was later found by Heaven Canceler, who nurses him back to health and tells him of the faraway country of Japan.

1970s

 * The United States of America's Stargate Project begins.

1995

 * The Stargate Project is canceled.

Several Years Ago

 * A great distortion of the four elements allows the Angels to bypass the names God has given them, has their alignments to the four elements switch, and finally allows the possibility of an angel fall down to Earth.
 * Academy City is formally established by Aleister Crowley.
 * At least twenty years before the start of the series, Ellis, an esper from Academy City, is sent to an Academy City-Anglican Church insitution focused on creating a Magician-Esper hybrid, meets Sherry Cromwell, and becomes friends with her. Severely injured from trying to perform magic, he is killed by the Knights of England who have come to destroy the institution.
 * Kanzaki Kaori leaves the Amakusa-Style Remix of Church for the Anglican Church, making Tatemiya Saiji the proxy pope of the church.
 * The parents of Agnese Sanctis are killed, and she is later forced to live in the streets of Milan for a time before being taken in by the Roman Catholic Church, where she meets Lucia and Angelene.
 * Kihara Gensei uses his granddaughter as the First Sample for the Crystallized Esper Essence.
 * Heaven Canceler criticizes Kihara Gensei for developing the Crystallized Esper Essence to achieve SYSTEM.

October 9

 * Academy City gains its independence as a sovereign city-state.

10 Years Ago

 * The 1st Lancer Division of the 13 squads of the Knights of England are dispatched to take care of a minor situation (according to the Church) in a Kyoto village in Japan. Here they discover the lone survivor of an attack of a vampire. A vampire, out of fear of the Deep Blood ability Himegami Aisa turns her entire village into vampires. They are, however, all killed by her power thereafter, making Aisa the lone survivor of the village tragedy.
 * A young Kamijou Touma is sent to Academy City by his father, who believes that a place where superstition does not exist would be able to help his son.
 * Reacting to Touma's Imagine Breaker, Kazakiri Hyouka gains a consciousness and is born within the Imaginary Number District.

Some Years Ago

 * Child Errors Edasaki Banri and Haruue Erii are separated from each other as Banri is moved to the Advanced Education Department.
 * Kiyama Harumi teaches a group of Child Errors for an experiment.
 * The experiment results in the children going comatose, leaving Kiyama Harumi with an intense desire to save them.
 * Misaka Mikoto willingly gives her DNA for the purpose of helping disabled children, not knowing that its purpose was to create military clones.

5-6 Years Ago

 * Accelerator gets caught up in an unfortunate incident where a group of children gets hurt due to his powers, leading to Academy City forces trying to take him down.

3 Years Ago

 * Aureolus Izzard secretly goes to England without the permission of the Roman Catholic Church in order to share his knowledge in decoding grimoires with the Church of England. Here, he later meets and becomes the partner of Index.

2 Years Ago

 * Konori Mii joins Skill-Out faction Big Spider.
 * Kurozuma Wataru is injured after a scuffle and is later taken into custody for rehabilitation; however, he is presumed dead. Konori Mii quits Big Spider while Hebitani Tsuguo takes over his identity and takes over Big Spider.
 * Shirai Kuroko meets Uiharu Kazari in Judgment Training School.

Autumn of Last Year/Winter of the Present Year

 * Kazari and Kuroko are dragged into a commotion brought up by robbers in a post office.
 * The robber with the "Equal Speed" ability injures Kuroko; meanwhile, she receives unexpected assistance from Misaka Mikoto and Kuroko successfully apprehends the robbers.

6 Months Prior to the Big Spider Arc

 * Kurozuma Wataru is released from custody.

July (1 Year Before the Index Arc)

 * Index awakens in an alleyway in Japan without any personal memories. However, she still remembers things related to Necessarius, the Grimoires, and magic.

Third Week

 * The activities of Skill-Out leader Komaba Ritoku attracts the attention of Yomikawa Aiho. Hattori Hanzou falls in love with Yomikawa. (At this time, the hunts for Level 0 espers have noticeably increased.)

First Week

 * Kanzaki Kaori cooperates with a perverse jeans shop owner in order to pursue a Valkyrie who likes to tear up jeans.

Fourth Week

 * Kamijou Touya meets Balbina, a seller of magical souvenirs, and Lidvia Lorenzetti. Lidvia gives him an addition to his magical relic collection.

March 15

 * The seventh Level 5, Sogiita Gunha, fights against Skill-Out to save Haratani Yabumi.

First Week

 * In Brazil, Misaka Tabikake meets an impoverished girl named Ines and gives her advice about setting up a business of collecting rare metals.

Fourth Week

 * Shirai Kuroko enrolls into Tokiwadai Middle School and meets Misaka Mikoto.
 * Kuroko talks with people inside a hairdressing salon in Sakashima Wayside concerning Gemstones and the Stargate Project.

Second Week

 * Ollerus visits a town in Milan in Italy to destroy an organization that specializes in human trafficking.

May 11 (3 Months Before August 11)

 * Misaka 9982 is produced.
 * A female researcher inside a scientific facility orders Radio Noise clones to dispose the remains of a handful of clones killed in past experiments.

Fourth Week

 * Hamazura Shiage, while speaking to Kuruwa, jokingly suspects that his friend Hattori Hanzou might be a the surviving descendant of a near-future-like Shinobi Soldier. To his surprise, it seems that he was right.

Second Week

 * Kuyama Kihan challenges a system defended by the "Gatekeeper" but is defeated, leading to his arrest.

June 17

 * Kuroko becomes roommates with Mikoto after forcing her previous roommate to move.
 * Mikoto meets Kamijou Touma for the first time when he tries to save her from delinquents and accidentally enrages her. After this event, Mikoto would later meet Touma again several times, trying to fight him.

July 1

 * Misaka Mikoto goes to Russia for a demonstration for Academy City's partners, and later gets involved with New Light.

First Week

 * In a bar in London, Kamijou Touya and his colleague Tanaka meet Misaka Tabikake by chance.
 * A female girl, a Gemstone, meets Touya, Tanaka, and Tabikake while fleeing from her pursuers.
 * Touya and Tanaka fake their own deaths by hijacking a Cessna and having it explode.

Second Week

 * Kumokawa Seria contacts Kaizumi Tsugutoshi, one of Academy City's directors, and they have a conversation regarding the treatment of Gemstones.
 * Kamijou Touma meets Seria by chance after getting soaked from a malfunctioning water sprinkler.

July 10

 * Level 4 Synchrotron Kushiro Katabira falls into a coma.

July 11 (One Week Before July 18)

 * The first of the Graviton bombings begins.

July 16

 * The Level Upper Arc begins (date based on the A Certain Scientific Railgun manga).
 * Shirai Kuroko, Uiharu Kazari, and Misaka Mikoto respond to a robbery initiated by a group of robbers led by a Level 3 Pyrokinesist.

July 17

 * A Judgment member, mistaking Misaka Mikoto for a new recruit, takes her into a hands-on tour on being a member of Judgment (date based on the A Certain Scientific Railgun manga).
 * Kamijou Touma is confronted by Misaka Mikoto, who challenges him to a duel at the riverbank. The fight ends with Touma fleeing from Mikoto through the night (date based on the A Certain Scientific Railgun manga).
 * Konori Mii and a fellow Judgment officer attempt to evacuate a Green-Mart after detecting graviton acceleration there. However, the bomb is triggered, severely injuring the fellow officer after he protected a girl with a leg injury.

July 18

 * Kushiro Katabira is linked to the incidents of explosions that alarmed District 7.
 * Kamijou Touma saves Misaka Mikoto, Uiharu Kazari, and a little girl from an explosion in Seventh Mist caused by the Graviton Bomber.
 * The Graviton Bomber is arrested.

July 19

 * Uiharu Kazari becomes ill due to a cold. Misaka Mikoto and Shirai Kurko conduct research into the Level Upper.
 * Kamijou Touma accidentally interferes with Misaka Mikoto's attempt to extract information from Junta and his gang at Benny's (date based on the A Certain Scientific Railgun manga).
 * The Index Arc begins.
 * Kamijou Touma is confronted on a bridge by Misaka Mikoto after trying to protect the thugs from her wrath. Their meeting causes a city-wide blackout.
 * With the blackout, Index slips into Academy City. While jumping from rooftop to rooftop in order to flee from Stiyl Magnus and Kanzaki Kaori, she eventually ends up on the balcony railing of Kamijou Touma's dorm.

July 20

 * Summer break officially starts in Academy City.
 * Kamijou Touma meets Index on his balcony. After Touma feeds her and learns of the existence of magicians, Index leaves.
 * Kaitabi Hatsuya falls into a coma.
 * Saten Ruiko finds the Level Upper.
 * Misaka Mikoto, Shirai Kuroko, Uiharu Kazari and Saten Ruiko meet with Kiyama Harumi to discuss the existence and properties of the Level Upper.
 * Misaka Mikoto meets Kamijou Touma and once again challanges him, but Touma dismisses her attempts. Mikoto loses confidence in her own abilities.
 * Kuroko tracks down Junta and his gang from the botched investigation the day before, and enquiries about the Level Upper.
 * Kamijou Touma returns home, and is attacked by Stiyl Magnus. After winning the fight, he takes an injured Index away.
 * Index is taken to Tsukuyomi Komoe's house. Using magic, her severe wounds are healed.

July 21

 * Kamijou Touma and Index are given refuge at Tsukuyomi Komoe's house for the next three days.
 * Saten Ruiko defends Koujun Kikuhiko from Trick and his gang, who were charging money for a copy of the Level Upper.
 * Shirai Kuroko destroys a building in order to defeat Trick and save Ruiko and Kikuhiko. Feeling powerless and scared, Ruiko shares the Level Upper with her school friends Akemi, Muu, and Mako.

July 24

 * Misaka Mikoto regains her determination to defeat Kamijou Touma.
 * Akemi falls into a coma due to her use of the Level Upper.
 * Saten Ruiko falls into a coma due to her use of the Level Upper.
 * With Heaven Canceler's help, the creator of the Level Upper is revealed to be Kiyama Harumi.
 * Harumi takes Uiharu Kazari hostage to stall for time while she attempts to make calculations using the Level Upper network.
 * Mikoto faces off against Harumi.
 * Mikoto defeats the AIM Burst.
 * Harumi is taken into custody.
 * Ruiko and the other victims of the Level Upper wake from their comas.
 * The Level Upper Arc ends (date based on the A Certain Scientific Railgun manga).
 * Kamijou Touma and Index attempt to visit a bathhouse.
 * Kamijou Touma is attacked by Kanzaki Kaori. After learning of Index's memory erases and the relationship between her, Kaori, and Stiyl Magnus, Touma attempts to force Kanzaki to abandon her pursuit. He is defeated and is rendered unconscious for three days.

July 25

 * Misaka Mikoto and Shirai Kuroko are forced to spend the day cleaning the pool after breaking curfew the previous night (date based on the A Certain Scientific Railgun manga).

July 27

 * Kamijou Touma awakens after three days and affirms his desire to protect Index.
 * Stiyl Magnus and Kanzaki Kaori arrive at Tsukuyomi Komoe's house to perform the memory-erasing ritual at midnight.

July 28

 * Kamijou Touma accidentally awakens Index in John's Pen mode, causing her to go on a rampage.
 * Kamijou Touma tells Stiyl Magnus and Kanzaki Kaori that they have been deceived by the Church. The three of them work together to restrain Index.
 * Tree Diagram is destroyed when Kamijou Touma deflects a powerful attack from Index.
 * Kamijou Touma loses his memories after protecting Index from the fallout of one of her own attacks.
 * As Kamijou Touma recovers in the hospital, he lies to Index about his memory loss to alleviate her pain.
 * The Index Arc ends.

August

 * One month before August 31st, Etzali infiltrates Academy City under the orders of his faction, the Return of the Winged One, to judge if the growing Kamijou Faction is dangerous, and dismantle it if so.

First Week

 * The Big Spider Arc begins.
 * The Big Spider Arc ends.
 * Big Spider disbands after the capture of Kurozuma Wataru and Hebitani Tsuguo.
 * The Poltergeist Arc begins.
 * The Poltergeist Arc ends.
 * Kiyama Harumi's students awaken from their comas.
 * Therestina Kihara Lifeline is taken into custody.

August 8

 * The Deep Blood Arc begins.
 * The Roman Catholic Church's Thirteen Knights and its long-range bombardment spell, the Gregorian Chant, are defeated after engaging Aureolus Izzard.

August 9

 * The Deep Blood Arc ends.
 * Aureolus Izzard is declared dead after the events of the arc, but the truth is that he had his memories and appearance changed after his ability to use magic was sealed as a consequence of his defeat.

August 10

 * The Sisters Arc (Railgun) begins.

August 20

 * The Sisters Arc (Index) begins.

August 22

 * The Sisters Arc ends.
 * The Level 6 Shift experiment is canceled.

August 24

 * Etzali abducts Unabara Mitsuki, takes Mitsuki's form, and begins stalking Misaka Mikoto, with the objective of taking her form and sowing distrust amongst Kamijou Touma and his peers.

August 27

 * Due to the increased hostilities by delinquents who are looking for prestige and glory via defeating the one who defeated Accelerator, Kamijou Touma is forced to leave Academy City (along with Index) temporarily at the urging of Tsukuyomi Komoe while Academy City quells the situation.
 * Due to the distortion of the elements, Kamijou Touya accidentally triggers Angel Fall through sheer coincidence. As a result, Archangel Gabriel appears on Earth, steals the body of Sasha Kreuzhev and assumes the name Misha Kreuzhev
 * Based on the A Certain Scientific Railgun manga: Kongou Mitsuko successfully transfers to Tokiwadai Middle School, and ends up lost while trying to find her dormitory. Misaka Mikoto later uses Mitsuko to get away from Unabara Mitsuki (Etzali), who is following her, and later hangs out with her, leaving Mitsuko completely unaware of Mikoto's status as a Level 5 and confused of her apparent popularity.

August 28

 * The Angel Fall Arc begins.

August 30

 * The Angel Fall Arc ends.

August 31

 * The Three Stories Arc occurs.
 * Etzali betrays Return of the Winged One by deliberately accepting the failure of his mission.
 * Accelerator becomes brain-damaged after being shot in the head by Amai Ao.

September 1

 * The new school term officially starts in Academy City.
 * The Kazakiri Hyouka Arc occurs.
 * As Sherry Cromwell attacks Academy City to try and stir up a war between magic and science, Kazakiri Hyouka manifests herself.

September 3

 * Misaka Mikoto, Kuroko Shirai, Uiharu Kazari, and Saten Ruiko are randomly selected to take part in Academy City's seven-day exchange program. Here, they are taken to Arts and Sciences City, an affiliate of Academy City, and are later involved in a conspiracy involving Aztec magicians.

September 8

 * The Orsola Aquinas Rescue Arc begins.

September 9

 * The Orsola Aquinas Rescue Arc ends.
 * The Agnese Forces are used as scapegoats by the Roman Catholic Church. Considered sinners, they are later transferred to the Queen's Fleet for use as a labor force.
 * The Amakusa-Style Remix of Church joins the Anglican Church.
 * Orsola Aquinas joins the Anglican Church.

September 14

 * The Tree Diagram Remnant Arc begins.

September 15

 * The Tree Diagram Remnant Arc ends.

September 19

 * The Daihasei Festival begins.
 * The Daihasei Festival Arc begins.

September 20

 * The Daihasei Festival Arc ends.
 * Lidvia Lorenzetti and Oriana Thomson are captured by the Anglican Church.
 * The Croce di Pietro is lost.

September 25

 * Touma wins a seven-day, five-night trip to Northern Italy.
 * The La Regina del Mare Adriatico Arc begins.
 * The Daihasei Festival concludes.

September 26

 * The La Regina del Mare Adriatico Arc ends.
 * La Regina del Mare Adriatico is destroyed.
 * Biagio Busoni is captured by the Anglican Church.
 * The Agnese Forces join the Anglican Church.
 * The Pope approves the document of investigating Kamijou Touma as an enemy of God.

September 30

 * The Academy City Invasion Arc occurs.
 * Vento of the Front invades Academy City.
 * Accelerator, showing signs of Awakening, kills Kihara Amata, the one who developed Accelerator's abilities, after Amata tampers with Last Order's coding.
 * Academy City reveals its use of an angel.
 * The Roman Catholic Church's magic is revealed but is covered up as an esper development program done by the Church.
 * Accelerator is recruited into working for Academy City.
 * Hostilities between Academy City and the Roman Catholic Church become apparent.

October 3

 * A Skill-Out leader, Komaba Ritoku, dies in the assault by GROUP, destroying their plans to cause the downfall of Academy City's communication network, which would in turn allow them to attack target espers.
 * Hamazura Shiage becomes the leader of Komaba Ritoku's Skill-Out gang and fails in his mission to kill Misaka Misuzu, due to the intervention of Kamijou Touma and Unabara Mitsuki (Etzali).
 * Komaba Ritoku's gang is left leaderless, but Hanzou Hattori decides to assume leadership of the gang.
 * The Russian Orthodox Church, represented by Vasilisa, visits London to have a conference with the Anglican Church regarding the upcoming war between Academy City and the Roman Catholic Church.

October 4

 * The Document of Constantine Arc begins.

October 8

 * The Document of Constantine Arc ends.

October 9

 * The Battle Royale Arc occurs.
 * Accelerator kills Teitoku Kakine, the second Level 5 and the leader of SCHOOL.

October 10

 * The Acqua of the Back Arc begins.

October 16

 * The Acqua of the Back Arc ends.

October 17

 * The English Civil War Arc occurs.
 * The Knights of England, in alliance with the second Princess Carissa, performs a coup in order to usurp Queen Elizard from the throne and establish Carissa as the ruler of the United Kingdom of Great Britain and Northern Ireland, starting the fourth English Civil War in the nation's history.
 * The Dragon(≠Angel) Arc occurs.

October 18

 * The World War III Arc begins.
 * World War III officially begins with the Proclamation of War by the Russian Federation against Academy City and its allied forces.

October 30

 * World War III ends with the Proclamation of Armistice by Russia and its allied forces.
 * The World War III Arc ends.

November 5

 * The group Freshmen starts an operation that has the objective of having the Academy City Board of Directors label Hamazura Shiage and Accelerator as "too dangerous to be left alone". The operation succeeds, but it causes the downfall of Freshmen as the people involved are defeated by the counterattack of their targets.
 * Kamijou Touma returns to Academy City with the help of Leivinia Birdway and her magic cabal.
 * Kamijou Touma, Accelerator, and Hamazura Shiage work together to prevent a floating landmass, referred to as Radiosonde Castle by Necessarius, from falling onto Academy City.