History Timeline / AvatarTheLastAirbender

Avatar Roku is confirmed as Avatar at his sixteenth birthday, and leaves the Fire Nation to master the elements.

* Avatar Roku returns to the Fire Nation after twelve years of travel and marries Ta Min, a noblewoman from the Capital.

* Avatar Roku discovers the first Fire Nation colonies in the Earth Kingdom and confronts Fire Lord Sozin. Roku and Sozin engage in battle, resulting in Roku destroying part of the Fire Nation Royal Palace.

* Avatar Roku is killed while fighting a volcanic eruption at age seventy; Avatar Aang of the Air Nomads is born.

* Fire Lord Sozin begins what would be the Hundred Year War by attacking the other nations. He uses the power of a comet, later renamed Sozin's Comet in his honor, to launch a genocidal attack on the Air Nomads in an attempt to kill the Avatar. All of the Air Nomads are killed except for Aang.

* Aang and Zuko establish the United Republic of Nations, a fifth nation with Republic City as its capital.

* Prince Zuko locates the Avatar and begins to hunt him down after his first attempt to apprehend him fails and causes much damage to Katara and Sokka's village in the Southern Water Tribe.

* A great city is built within the Southern Water Tribe as part of the Southern Reconstruction Project.

* Yakone is placed on trial for his crimes against Republic City. After attempting an escape, he loses his bending to Avatar Aang.

* Wu is crowned the fifty-fourth ruler of the Earth Kingdom.
* Kuvira announces during Wu's coronation the dissolution of the Earth Kingdom, reforming it into a new "Earth Empire" under her leadership.
* After defeating Korra in a one-on-one duel, Kuvira successfully annexes Zaofu into the Earth Empire, bringing the entire nation under her control.
* The 3 Beifong matriarchs FINALLY reconcile with each other.
* With a spirit energy cannon at her disposal Kuvira marches her army to Republic City and forces President Raiko to surrender the United Republic of Nations to her.
* Hiroshi Sato sacrifices himself in the battle against Kuvira's enormous mecha suit.
* A new spirit portal emerges in the heart of Republic City.
* Kuvira surrenders herself and the military of the Earth Empire.

* Varrick and Zhu Li marry.

* Going on an investigation searching for the new Avatar, The White Lotus enters Pema and Tonraq's home. On entering, they discover that Korra has already begun bending three of the four elements. Only Airbending remains a challenge in terms of her raw skills.

[[/folder]]

* Azulon is born.

* Penga is born

* Avatar Aang begins his firebending training with Prince Zuko.

* Fire Lord Sozin ascends the throne, following the death of his father.

* Fire Lord Sozin dies at age 102; Fire Lord Azulon ascends the throne.

* Utilizing Sozin's Comet, Ozai launches a major attack on the Earth Kingdom with his armada of Fire Nation airships in an attempt to decisively end the war with a sheer display of force and destruction.[79]

[[AC: 167 - Year of the Rabbit]]

* Wonyong Keum is asked by Hiroshi to help create weapons for the Equalists. He refuses, and disassociates himself from Future Industries. Unaware of her father's Equalist ties, Asami comes to resent Keum for walking out on an important deal with her father

* Prince Zuko is banished to capture the Avatar after an Agni Kai with his father, Fire Lord Ozai. He is accompanied by his uncle, Iroh.

[[AC:Sometime between 345 BG and 312 BG]]

* Zuko, with the help of Team Avatar and Azula, embarks on a search for Ursa, which leads them to her new life in Hira'a. Azula escapes into the wilderness following the conclusion of the search, having been shocked by the news that her mother truly loved her, despite her beliefs on the matter. Ursa has her memories restored, and she, Ikem and Kiyi return to the Fire Nation with Zuko.

* Children in the Fire Nation Capital are being kidnapped by Kemurikage imposters.

* A group of Southern Water Tribe nationalists led by Gilak attempt to eradicate all foreign presence in the Southern Water Tribe.
* Gilak is killed.

* Tarrlok, the youngest son of Yakone, is born

* Amon develops a way of using bloodbending to permanently disable another person's bending, which he passes off as a gift from the spirits. Posing as a nonbender who lost his parents to a firebending criminal, he creates the Equalist movement within Republic City, intending to eliminate bending throughout the world.

* Amon, Hiroshi and the Equalists attempt to carry out a revolution against benders. They briefly take control of Republic City, but are ultimately defeated when Hiroshi is arrested and Amon is revealed as a fraud. Amon escapes Republic City with Tarrlok, who later blows up their boat, killing them both.

* Tarrlok becomes a member of the United Republic Council.

* As the dark avatar begins beating Raava out of Korra, the connection to her past lives is stripped away, life by life, until at last the cycle is broken with her connection pulled away.
* Channeling her spiritual power, Korra grows to fight the Dark Avatar again, eventually using Spirit bending to purify Vaatu from Unalaq.

* Jianzhu acquires a nemesis in the form of Hui, chamberlain to Lu Beifong and an influential figure in the Beifong household. Hui continually opposes Jianzhu's political work for no other reason than to advance his own career.

* Unknown to anyone, Yun manages to overpower Father Glowworm with his earthbending within the Spirit World. He consumes the spirit, gaining an inhuman power and enabling him to escape back to the physical world. He later begins a campaign of vengeance against everyone who misled him about being the Avatar.

* Princess Ursa conspires with Prince Ozai to kill Fire Lord Azulon in order to save Zuko and make Ozai Fire Lord. With Azulon's passing at age ninety-five, Ozai succeeds him as Fire Lord and Ursa is banished from the Fire Nation Capital.

* Prince Zuko locates the Avatar and begins to hunt him down after his first attempt to apprehend him fails and causes much damage to the village of the Southern Water Tribe.

* The Order of The White Lotus comes out of hiding and begins openly serving the Avatar and the world's nations. Disapproving of this course of action, order member Xai Bau forms a splinter group known as the Red Lotus, which eventually resolves to reopen the spirit portals and eliminate the nations of the world, in the name of restoring balance.

* Zuko, with the help of Team Avatar and his sister, Azula, embark on a search for Ursa, which leads them to her new life in Hira'a.

* The New Ozai Society reassembles in an attempt to overthrow Fire Lord Zuko.
* Ursa returns to the Fire Nation for the first time since her exile.

[[AC:Sometime before 166 AG]]

[[folder:171 AG — Year of the Goat (post-Harmonic Convergence)]]

[[folder:Between 171 — 174 AG]]

[[folder:174 AG — Year of the Dog]]

[[AC:295 BG]]

* Suyin founds the city of Zaofu with the help of Baatar, a hired architect. The two later marry and have five children: Baatar Jr, Huan, Wei, Wing and Opal. Suyin later adopts the eight year old Kuvira, and raises her as her protege.
* Amon develops a way of using bloodbending to permanently disable another person's bending, and creates the Equalist movement within Republic City, intending to eliminate bending throughout the world.
* Hiroshi Sato joins the Equalist movement, blaming benders for the death of his wife.
* Korra masters waterbending, earthbending and firebending.

[[folder: Rebuilding the World (100-153 AG)]]

* Suyin begins travelling the world, eventually founding the city of Zaofu.

[[folder: The last Avatar of the Old Age (153-171 AG)]]

* As the dark avatar begins beating Raava out of Korra, the connection to past lives is stripped away, life by life, until at last the cycle is broken with her connection pulled away.

* With the Earth Kingdom in chaos following the assassination of the Earth Queen, Raiko and Tenzin call upon Suyin to take control of the nation, but she refuses to do so out of concern that it would mean forcing her ideals upon others. Kuvira, Suyin's adopted daughter and the captain of her security force, urges her to reconsider, believing that the Earth Kingdom could benefit from Zaofu's influence, but her plea falls on deaf ears.

* Noatak at 14, runs away after defending Tarrlok from Yakone and bloodbending them both

[[AC: 171]]

[[folder:171 AG — Year of the Goat]]

Warlords battle each other for land in the disaggregated Fire Islands. One of them, Toz, orders the abduction of all of the children of the village that refused to provide him with tribute. The children are never seen again, causing their mothers to die from sadness and become Kemurikage spirits. The Kemurikage exact their vengeance by taking the children of the warlord and his men, leading to the collapse of Toz's regime as his men abandon him out of fear of the dark spirits.

Avatar Yangchen of the Air Nomads is born in the Western Air Temple, after the death of her predecessor, Avatar Szeto. Her reign as Avatar is a peaceful one, due to her fierce dedication to keeping balance and serving the world. Among her most notable deeds were striking a deal with the spirit Old Iron and signing a treaty with the Fifth Nation. Yangchen does however encourage the expansion of humanity at the expense of the spirits, causing several to become corrupted, though this consequence does not manifest itself until later.

* Kyoshi is saved from starvation by Jianzhu and Kelsang. She takes the Avatar test but leaves before its completion.

* Unknown to anyone, Yun manages to overpower Father Glowworm with his earthbending within the Spirit World. He consumes the spirit, gaining an inhuman power and enabling him to escape back to the physical world.
* Xu Ping An is freed by the Autumn Bloom Society and plans to restore the Yellow Necks, though he is soon killed by Kyoshi in a lei tai duel.

* Hui calls a conclave of Earth Kingdom sages to discuss whether Jianzhu is fit to serve as the Avatar's guardian. Many sages, including Hui, are killed in a mass poisoning orchestrated by Jianzhu.

* Kuvira assembles an army to reunite the Earth Kingdom.

Avatar Yangchen of the Air Nomads is born in the Western Air Temple, after the death of her predecessor, Avatar Szeto. Her reign as Avatar is a peaceful one, due to her fierce dedication to keeping balance and serving the world. Among her most notable deeds were striking a deal with the spirit Old Iron and signing a treaty with the Fifth Nation.

* Avatar Kuruk tries to kill Koh, the Face Stealer, as revenge for stealing the face of his fiancée Ummi. This event is confusing to place chronologically, as if Koh's description of the event is taken literally, it would have happened c. 800-700 BG, over three hundred years before Kuruk's birth.