In the world of Mobile Suit Gundam Seed, dates are given according to the Cosmic Era, or C.E., calendar. This new calendar was introduced at the end of the Reconstruction War to mark the dawn of a new age of space exploration.

A.D. Calendar

As petroleum resources run out, and environmental pollution worsens, a worldwide economic collapse ensues. The world's nations form economic blocs, and the planet becomes divided into a handful of major powers.

Ethnic and religious strife leads to a global conflict known as the Reconstruction War, while the Type S influenza virus spreads throughout the world. Disease and war produce massive casualties.

C.E. -16    4.1

George Glenn is born.

C.E. 1

Nuclear weapons are employed on the frontlines of central Asia, in the Kashmir region.

C.E. 4

George Glenn is nominated for a Nobel Prize.

C.E. 5

George Glenn enlists in the military.

C.E. 9

The Reconstruction War ends. The previous national order has been radically changed, and new powers like the Atlantic Federation, Eurasian Federation, and Republic of East Asia have emerged.

The United Nations formally adopts the Cosmic Era calendar and announces a new space development program. Construction of the space station Yggdrasil, which had been interrupted by the global war, resumes at Lagrange point 1.

C.E. 10

The space colony plan begins in earnest, and a space industry arises to exploit the new frontier. Construction of the lunar city Copernicus begins.

George Glenn becomes an employee of the Atlantic Federation's Federal Aeronautics and Space Administration (FASA).

The Atlantic Federation establishes the Federal Space Force (FSF). The Eurasian Federation and the Republic of East Asia follow suit.

C.E. 11

The space station Yggdrasil is completed.

C.E. 12

The lunar city Copernicus is completed.

FASA launches a Jupiter exploration project and announces the development of the exploration ship Tsiolkovsky. George Glenn is to be the ship's chief designer, and the space station Yggdrasil will serve as the construction site.

C.E. 15

The exploration ship Tsiolkovsky is completed.

George Glenn's Confession. As George Glenn departs for Jupiter aboard the Tsiolkovsky, he reveals the existence of Coordinators, and releases the necessary genetic engineering techniques onto the worldwide network. The world is thrown into chaos by these events.

In the name of environmental protection, the pressure group Blue Cosmos declares itself adamantly opposed to Coordinator technology.

C.E. 16

An international conference is held to discuss the Coordinator controversy. A protocol on genetic modification is adopted, totally prohibiting the manipulation of human genes. Nonetheless, some wealthy individuals secretly have their children turned into Coordinators.

C.E. 17

A hospital in Chicago which has secretly been creating Coordinators is set ablaze. Blue Cosmos is rumored to be involved.

Construction of the Porta Panama mass driver begins in Central America.

C.E. 21

Construction of the Habilis mass driver begins on the shore of Lake Victoria.

C.E. 22

The Tsiolkovsky reaches Jupiter and discovers the fossil known as Evidence 01. The world is again thrown into chaos, and FASA orders the Tsiolkovsky to bring back the fossil.

Siegel Clyne, a Coordinator, is secretly born in the Kingdom of Scandinavia.

C.E. 23

Patrick Zala, a Coordinator, is secretly born in the Atlantic Federation.

C.E. 29

George Glenn returns from Jupiter with Evidence 01. The fossil is taken to the Zodiac research colony at Lagrange point 5 for detailed examination.

C.E. 30

The world's religious authorities gather at the Palestine Conference, but are unable to reach any conclusions, and their influence begins to wane. Tolerance for Coordinators spreads throughout the world, and the first Coordinator boom begins.

The space industry heats up, and construction of numerous space colonies begins at Lagrange point 4.

The Orb Union begins construction of the Kaguya mass driver and the resource satellite Heliopolis.

C.E. 31

The restrictions on George Glenn are lifted, and he begins examining Evidence 01 at Zodiac. The colony's extraterrestrial research organization expands into a huge research facility.

C.E. 35

The Atlantic Federation establishes a lunar base in the Ptolemaeus Crater, drawing international condemnation, and unveils its first series of mobile armors. Earth's major powers begin a space arms race, and the Eurasian Federation begins the construction of Artemis.

C.E. 38

The Zodiac research colony is further expanded. George Glenn announces his concept for a new type of space colony, and construction of these new colonies begins. This project is funded mainly by the Atlantic Federation, the Eurasian Federation, and the Republic of East Asia, and the new L5 colony cluster is to be managed by representatives of these sponsor nations.

C.E. 40 ~

The first generation of Coordinators, born in secrecy, reach maturity and begin to excel in every scientific, artistic, and athletic field. The differences between Coordinators and Naturals thus become very clear, and critical voices emerge.

C.E. 41

Marriages among first-generation Coordinators produce a purebred second generation, who soon prove to have inherited their parents' abilities.

Muruta Azrael is born in the Atlantic Federation.

C.E. 43

Patrick Zala and Siegel Clyne, participating in the construction of new colonies at Lagrange point 5, meet for the first time.

C.E. 44

The first ten space colonies (later known as Aprilius City) of the new L5 cluster are completed. These colonies, dubbed PLANTs, are intended to serve as large-scale production sites. The one thing they don't make is food, which the PLANTs are strictly prohibited from producing and which must be imported entirely from Earth.

C.E. 45

The estimated Coordinator population now exceeds ten million.

Anti-Coordinator organizations begin carrying out acts of terrorism against the PLANTs. Since they have no political autonomy and are thoroughly demilitarized, the PLANTs are unable to defend themselves, and the Coordinators working in the PLANTs become increasingly dissatisfied.

C.E. 50

In order to obtain autonomy and trading independence for the PLANTs, Siegel Clyne and Patrick Zala form the political organization known as the Zodiac Alliance. They begin working to abolish food production restrictions and secure self-defense rights for the PLANTs, but their efforts are suppressed by the sponsor nations, and the Zodiac Alliance goes underground.

C.E. 53

George Glenn is assassinated. It's rumored that Blue Cosmos is behind this incident.

A PLANT Supreme Council is formed, made up of representatives from each of the PLANT cities.

C.E. 54

The Type S influenza mutates, rendering existing vaccines useless, and a Type S2 influenza outbreak begins. Rumors spread that Coordinators created this virus to exterminate the Naturals and avenge George Glenn.

C.E. 55

Religious authorities claim that the Type S2 outbreak is a divine punishment, and public opinion again turns against genetic modification. The Torino Protocol is adopted, and genetic modification is once again prohibited anywhere on Earth. Anti-Coordinator sentiments increase among the Naturals.

A Type S2 influenza vaccine is successfully developed in the PLANTs, and delivery of the vaccine to Earth's surface begins. Nonetheless, anti-Coordinator sentiments remain strong, and Coordinators remaining on Earth begin leaving for space.

C.E. 57

The space forces of the Atlantic Federation, the Eurasian Federation, and the Republic of East Asia establish a military presence in the PLANTs' airspace. This combined force is the predecessor to the later Earth Alliance Forces.

C.E. 58

Siegel Clyne and Patrick Zala are elected to the PLANT Supreme Council. Meanwhile, their Zodiac Alliance remains active and continues to attract more sympathizers.

Uzumi Nara Athha becomes chief representative of the Orb Union.

The Orb Union begins construction of the orbital elevator Ame-no-Mihashira.

C.E. 60 ~

The PLANTs become major sources of Earth's energy and manufactured goods. The sponsor nations continue to reap ever greater benefits, and impose ever heavier quotas on the PLANTs. Meanwhile, other nations grow increasingly resentful of the sponsor nations' monopoly profits.

C.E. 61

After surviving a terror attack by an anti-Coordinator organization within the PLANTs, Patrick Zala sends his son Athrun to attend a preparatory school at the lunar city Copernicus. Here, Kira Yamato and Athrun Zala meet for the first time.

C.E. 63

The PLANTs' energy production department is destroyed by Blue Cosmos terrorism. The PLANT Supreme Council proposes a temporary suspension of exports, but the sponsor nations reject the suggestion, sending the PLANTs into a severe energy crisis. When the PLANTs' engineers carry out a coordinated sabotage campaign, the sponsor nations respond by threatening the PLANTs with their fleet of mobile armors.

Within the PLANTs, calls for autonomy grow louder. Siegel Clyne and Patrick Zala become leaders of a Supreme Council faction which seeks independence from the sponsor nations. Research into the military applications of mobile suits begins.

C.E. 65

The first prototype mobile suit is secretly rolled out. The Zodiac Alliance steps up its activities and attracts more sympathizers, changing its name to the Zodiac Alliance of Freedom Treaty (ZAFT).

C.E. 67

The GINN, the first fully functional mobile suit, is completed. A section of Maius City is secretly converted and begins production of mobile suits.

C.E. 68

Siegel Clyne is elected chairman of the PLANT Supreme Council. The PLANT Supreme Council, now dominated by ZAFT members, votes to make autonomy and trading independence its highest priorities. The sponsor nations respond with a show of armed force, but the PLANTs carry out a military expansion of their own, and a standoff ensues.

Blue Cosmos grows in strength. Its ranks expand to the hundreds of thousands, and persecution of Coordinators living on Earth intensifies. As a result, almost all Coordinators emigrate to the PLANTs.

Chairman Clyne makes secret arrangements to exchange imports of food and exports of manufactured goods with the United States of South America and the Oceania Union. Learning of these arrangements, the sponsor nations demand the dismissal of Chairman Clyne, the dissolution of the PLANT Supreme Council, and the complete renunciation of autonomy for the PLANTs. These demands are rejected by the PLANTs.

In response to the Mandelbrot Incident, ZAFT is reorganized under Patrick Zala's leadership, and combined with the PLANTs' domestic security operations to become a military organization equipped with mobile suits.

A biohazard breaks out inside the Mendel colony at Lagrange point 4. Numerous casualties ensue, and the colony is abandoned, then sterilized with a massive bombardment of X-rays. The involvement of Blue Cosmos is rumored.

Patrick Zala calls Athrun back from Copernicus. Due to the deteriorating situation, the Yamato family also leaves Copernicus, and relocates to the resource satellite Heliopolis.

C.E. 69

Chairman Clyne orders PLANTs seven through ten of Junius City remodeled for agricultural production. The sponsor nations, determined to prevent the PLANTs from producing their own food, begin intimidation maneuvers. At this point ZAFT and its mobile suit forces make their combat debut, overwhelming Earth's mobile armors and driving the forces of the sponsor nations out of the PLANTs' airspace.

Captain Halberton of the Atlantic Federation's 4th Fleet (which will later become the 8th Fleet of the Earth Alliance) recognizes the mobile suit's effectiveness in space combat, and proposes the development of the "G series." Halberton's proposal is rejected by his superiors, but some of them provide assistance so that the project can proceed in secrecy.

Chairman Clyne issues demands for complete autonomy and trade equality to the sponsor nations. The PLANTs promise to halt resource exports to Earth should no response arrive by January 1 of the following year.


Kira Yamato enrolls in technical college at Heliopolis.

C.E. 70    1.1

As they meet with representatives of the sponsor nations, PLANT Supreme Council members are targeted by a terror attack, and one council member is slain. Blue Cosmos claims responsibility, but when it becomes clear that the sponsor nations were behind the attack, the PLANTs halt all resource exports. The sponsor nations, which have become dependent on the PLANTs for all such production, are rendered destitute.


The Tragedy of Copernicus. At the urging of the Secretary-General of the United Nations, negotiations take place at the lunar city Copernicus. A terrorist bombing claims the lives of the sponsor nations' representatives, the Secretary-General, and the rest of the United Nations leadership. The PLANT representative, Chairman Clyne, is delayed by a shuttle malfunction and escapes the bombing.


The Alaska Declaration. The Atlantic Federation announces the establishment of the Earth Alliance.


Representative Athha announces that the Orb Union will remain neutral and independent.


The Earth Alliance declares war against the PLANTs, and an invasion force sets out from the Ptolemaeus lunar base. Meanwhile, Blue Cosmos loyalists in the military secretly load a nuclear missile aboard the mobile armor carrier Roosevelt.


The Bloody Valentine. ZAFT mobile suit forces repel the Earth Alliance attack. However, the agricultural colony Junius Seven is hit by a nuclear missile, and 243,721 people lose their lives in this tragedy. Patrick Zala's wife Lenore is among the casualties.


At a national memorial for the Bloody Valentine victims, Chairman Clyne swears to resist the Earth Alliance to the very end, and offers to give trading preference to nations which decline to join the Alliance. The Oceania Union and the United States of South America accept Clyne's offer.


Earth Alliance forces launch an armed invasion of the United States of South America. The Panama spaceport is seized by force, and the Atlantic Federation annexes the South American continent.


Condemning the Earth Alliance's invasion of Central and South America, the Oceania Union declares its support for the PLANTs. The Alliance responds by declaring war against the Oceania Union as well.


Athrun Zala and Yzak Joule join ZAFT.


A battle begins over the space station Yggdrasil. The Earth Alliance commits its 1st, 2nd, and 3rd fleets to this fierce battle, while the PLANTs deploy their N-Jammers for the first time. Both sides' forces are evenly matched, and ZAFT suffers heavy losses. Yggdrasil itself ultimately collapses, its ruins becoming part of the Debris Belt, and Rau Le Creuset is awarded the Order of the Nebula for his accomplishments in this battle.


The first Battle of Victoria. ZAFT forces begin an invasion of Earth, with the Victoria spaceport as their first target. However, the operation ends in failure.


Assessing the failures of the Victoria attack, the PLANT Supreme Council decides on an equatorial campaign dubbed Operation Uroboros.


The April Fool Crisis. ZAFT launches Operation Uroboros by scattering N-Jammers across Earth's surface, plunging the nations of the Earth Alliance into a severe energy crisis.


The Battle of Carpentaria. ZAFT drops the disassembled components of a military base from orbit to the Gulf of Carpentaria. Within 48 hours, the foundations of the Carpentaria Base have been laid. The Earth Alliance's Pacific Fleet engages the ZAFT forces, but is defeated.


The first Battle of Jachin Due. The Earth Alliance's 5th and 6th Fleets set off from the Ptolemaeus lunar base to attack the PLANT homeland, and are intercepted by ZAFT forces in the vicinity of the resource satellite Jachin Due.


ZAFT begins an offensive whose ultimate target is the Ptolemaeus lunar base. A ZAFT base is established in the Lorentz Crater, and the moon is divided along what becomes known as the Grimaldi Front.


The Carpentaria Base is completed, and ZAFT deploys the aerial mobile suit DINN.


ZAFT's campaign to capture terrestrial bases begins in earnest. Using the Carpentaria Base as a staging area, ZAFT launches an invasion of the Mediterranean region.


The first Casablanca Sea Battle. The Earth Alliance's Mediterranean fleet engages ZAFT's submarine carrier fleet in a naval battle near Casablanca. The victorious ZAFT forces then enter the Mediterranean and begin advancing southward into Africa. Meanwhile, construction of the Gibraltar base begins.


The Suez Battle. ZAFT ground forces defeat a massive Earth Alliance tank corps at El Alamein, and Andrew Waltfeld earns the nickname "Desert Tiger" for his exploits in this battle. The ZAFT forces begin heading south, expanding their territory into Africa.


The final battle of the Grimaldi Front takes place at an Earth Alliance resource base in the Endymion Crater. The Alliance loses its 3rd Fleet, but is able to use a Cyclops System to wipe out the ZAFT forces. Many Alliance forces are also sacrificed in the process.


At Lagrange point 4, fighting begins around the resource satellite Nova, which is controlled by the Republic of East Asia. Skirmishes continue for almost a month, with neither side carrying out a decisive strike, and many of the space colonies of the L4 cluster are damaged during the fighting.


The Earth Alliance abandons Nova, and the fighting comes to an end. Both sides cease major military operations, and although small skirmishes continue on Earth and in space, the overall war enters a stalemate.

The mobile suit development project proposed by Commodore Halberton, commander of the Alliance's 8th Fleet, is reexamined as a means of breaking this deadlock. With the assistance of Morgenroete, development of the G series and the mobile suit carrier Archangel begins in earnest at Heliopolis.


Athrun Zala graduates from ZAFT's military academy. He is assigned to the Le Creuset team along with Yzak Joule, Dearka Elsman, and Nicol Amalfi.


Secret discussions are arranged between Chairman Clyne and Earth Alliance Secretary-General Olbani, using the Reverend Malchio as an intermediary. Their goal is to break the stalemate, alleviate famine conditions, and find middle ground for a compromise to end the war. However, these negotiations fail to bear fruit.

C.E. 71    1.15

Activity in the Pacific theater increases. ZAFT attacks the Republic of East Asia's Kaohsiung spaceport.


Five GAT-X series mobile suits, and the warship Archangel, are secretly rolled out at Heliopolis.


The Kaohsiung spaceport falls.


The Le Creuset team investigates reports of a new Earth Alliance military satellite under construction at Lagrange point 3. However, the information proves faulty and no fighting ensues. On their way back, they obtain intelligence on the Alliance's mobile suits from a spy who has infiltrated Heliopolis.


The Le Creuset team enters Heliopolis to capture the Earth Alliance's new mobile suits, and Kira Yamato and Athrun Zala meet again. [PHASE-01, 02]

To be continued...