The Eezo Timeline

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The Eezo Timeline

Post by Admin on Wed Aug 31, 2016 2:55 pm



Eezo Galaxy Timeline




Prehistoric Times (Unknown BCE - 1,000,000,000 BCE)



Unknown BCE


  • The Leviathans dominate the galaxy, enthralling every new sapient race they encounter and protecting them in return for tribute. The Leviathans consider themselves the galaxy's first and only apex race.




  • After observing that their subservient races create synthetic races who consistently and violently rebel, the Leviathans create an Intelligence to seek a way to permanently preserve organic life. The Intelligence constructs an army of "pawns" to gather genetic information throughout the galaxy.




  • The Intelligence attempts to betray the Leviathans, using its pawns to slaughter them for their genetic material to create Harbinger, the first Reaper. Thus begins the cyclical harvest of the galaxy's intelligent organic life by the Reapers, part of a vast experiment conducted by the Intelligence to fulfill its mandate.




  • The Intelligence builds the mass relay network to increase the efficiency of the cycles, allowing galactic civilizations to develop faster and more consistently between harvests. 




  • It is discovered much later on that the Reapers come to fail in the overall destruction of the Leviathans who ultimately find the means to subvert the intelligence and their pawns. Thus, keeping the Leviathans in full power and ever seeking a new means of preserving life which would go down through the ages. 


Pre-Prothean Times (1,000,000,000 BCE - 68,000 BCE)



1,000,000,000 BCE

  • The Leviathan of Dis, a Reaper, is killed by the Leviathans. Its corpse comes to rest on the planet Jartar and remains undisturbed for nearly one billion years.


37,000,000 BCE


  • An unknown spacefaring race fires a mass accelerator round at a Reaper near the planet Mnemosyne. The round penetrates the Reaper, disabling it, and continues moving through space, eventually striking the planet Klendagon and creating the geological feature there known as the Great Rift Valley.



298,000 BCE


  • The ancient arthenn race flourish in the Zelene system, living on the planet Helyme until being destroyed in an unknown event that wiped out all complex life on the planet. They also maintained a presence on other planets in the system including Epho, which bears the scars of an ancient orbital bombardment, and Gaelon, which may have been mined for helium-3.


125,000 BCE


  • Ancient spacefaring races called the thoi'han and inusannon fight over the planet Eingana, littering the planet with the debris of hundreds of starships. Refined element zero scattered by broken drive cores contaminates the environment, causing many native species to go extinct and those that survive to show a tendency to develop biotic powers.



Pre-Council Times (68,000 BCE - 500BCE)



68,000 BCE


  • The Protheans achieve spaceflight and discover mass effect technology from the ruins of the extinct inusannon. They go on to establish a galaxy-wide civilization linked by the mass relay network, however, they are soon discovered by the Leviathan race who see the Protheans as an elite that could serve as a new arsenal to their cause. Seeing this, they offer the Protheans the first seat of oversight across the galaxy within the Citadel. 


13,000 BCE


  • The turians of Palaven begin to develop civilization around this time.

  • The new Prothean Empire under governance of the Leviathan Superiority, take watch of the Turian race with much interest as they hold a natural ability for imperial organization and tactical expertise. 


6000 BCE



  • Seeking to escape the imminent explosion of their sun, an alien race constructs an AI-managed starship equipped with supercomputers containing a virtual world, into which some one billion of the aliens transfer their consciousnesses. The starship begins a journey throughout the galaxy which lasts for the next 8,000 years.


1900 BCE



  • Tuchanka, the krogan homeworld, enters the nuclear age. In a global conflict, weapons of mass destruction are released, triggering a nuclear winter. In the resulting devastation, krogan society devolves into a collection of warring clans.


1800 BCE



  • A supernova propels the Mu Relay, the only point of access to the remote Pangaea Expanse, out of position. Concealed somewhere in the dense nebula formed by the supernova, the relay's position is effectively lost for centuries. Later, the rachni rediscover the relay.

  • The Turians are uplifted by the Leviathan Superiority and are offered an equal seat within the council alongside the Protheans. This marks a large shift in power that the Prothean Empire would have to give to the Turians. While there is no hostility toward the new race, there is a worry that the Leviathans may be seeking to replace the Protheans down the line. 

  • Holding a fear of their eventual dismissal, the Protheans begin to assert their own power in discovering other elite races to preserve not only civilization itself, but their own legacy. 


580 BCE



  • After developing faster-than-light spacefaring capabilities based upon unattended Prothean technology, the asari begin to explore the mass relay network, and eventually discover the huge Citadel space station at a hub of many mass relays.
  • Now aware of the existence of three superior races, the Asari are extended an invitation to aid the Protheans in their continual mission to preserve civilization. The Asari take the offer and would later within the next twenty years receive a seat beneath the Protheans on the Citadel.


520 BCE


  • The Salarians discover the Citadel and open diplomatic negotiations with the Prothean Empire. In result the Salarians meet the Asari and Turians. In the next few years the Salarians are offered a seat beneath the Protheans and work in unison with the Asari as their equals.
  • The Leviathan Superiority grows wary of the new takes of assistance by the Prothean Empire and advise the Turians to be every watchful.


Council Era - Formation (500 BCE - 1 CE)



500 BCE: Founding of the Citadel Council


  • The Citadel Council is formed with the consistence of the Turians and Protheans composing the "Council of Oversight." Those to follow would be the Asari and Salarians who would find their home as the "Citadel Council," immediately under the governance of the Prothean Empire. Only the Council of Oversight would report directly to the Leviathan Superiority who leads all and governs all across the galaxy. 



  • As a gesture of openness with their new asari allies, the Salarian Union opens the records of the League of One. Under threat, the League responds by assassinating every member of the Union's inner cabinet; Special Tasks Group operatives then hunt down and eliminate the League.



  • First contact is made with the volus. Eventually, the Citadel Council commissions the volus to draw up the Unified Banking Act, which establishes a standard galactic currency known as the credit and links all galactic economies.



  • The turian Unification War occurs. The increasingly isolated and xenophobic colonies on the frontiers of turian space go to war with each other. After years of fighting, the Turian Hierarchy sweeps in and pacifies the remaining factions. Animosity between turian colonies continues for decades.



  • The Council grants the volus the honor of being the first non-Council species with an embassy at the Citadel, rather than a Council seat.



  • First contact is made with the batarians. They are granted an embassy a century later.



  • The asari discover the elcor home system and help the elcor locate and activate their nearest mass relay. "Within one elcor lifetime" they establish a regular trade route to the Citadel and are granted an embassy.



  • First contact is made with the hanar and the quarians. Both races are later granted embassies.



Council Era - War and Rebellion (1 CE - 900 CE)



1 CE: The Rachni Wars


  • The rachni, a species of highly intelligent hive-minded insects, are discovered when a Citadel expedition opens a dormant mass relay leading to their star systems. The rachni prove to be hostile and begin a war with the rest of the galaxy. Negotiation with the rachni queens is impossible because they cannot be contacted in their underground nests on the toxic rachni worlds.

  • Hoping that the Salarians and Asari would be able to deal with the situation, the Protheans are later disappointed as the Rachni spread into star systems. 


80 CE


  • The Rachni Wars continue. The salarians make first contact with and uplift the primitive krogan, manipulating them into acting as soldiers for the Citadel Council. The krogan prove able to survive the harsh environments of the rachni worlds and pursue the rachni into their nests, systematically eradicating queens and eggs.


300 CE


  • The rachni are declared extinct. In gratitude for their aid during the Rachni Wars, the Council rewards the krogan a new homeworld. Free of the harsh environment of Tuchanka, the krogan population explodes.



300 - 700 CE


  • The krogan begin to expand exponentially, colonizing many new worlds. Growing concerns about their expansion lead to the founding of the Special Tactics and Reconnaissance branch of the Citadel.



693 CE


  • Beelo Gurji, a salarian operative, is appointed the first Spectre by the Citadel Council.



700 CE: The Krogan Incident


  • Krogan warlords leverage veterans of the Rachni Wars to annex territory from other races in Citadel space. Eventually the Council demands withdrawal from the asari colony of Lusia, but the krogan refuse. A preemptive strike is made on krogan infrastructures by the Spectres. 

  • Well aware of the galactic instability that this would spark, the Turian Command takes on the responsibility of taking the Leviathans note to heart and offer the Krogan a position separate from the Citadel Council. The Krogan would soon be the first member of the "Citadel Arms and Suppression Force." Here they would be charged with controlling all external matters that the Leviathan Supremacy or Turian Command would require.



Council Era  - Expansion (900 CE - 2157 CE)



1400 CE


  • Extensive and unchecked industrial expansion on the drell homeworld Rakhana begins taking a significant toll on the planet's environment.



1755 CE


  • Samara's three daughters are diagnosed as Ardat-Yakshi. Rila and Falere accept exile, but Morinth flees. Samara takes the oaths of the asari justicars and pursues her errant daughter for the next 430 years.



1880 CE


  • Aria T'Loak arrives on Omega, a space station in the Terminus Systems regarded as the region's nominal capital. Aria is hired by the station's warlord as an enforcer and quickly becomes one of his most trusted lieutenants.



1895 CE: The Geth War


  • The geth, machines created by the quarians as a source of cheap labor, become self-aware. Fearing a geth uprising, the quarians begin dismantling them. The geth revolt against their quarian masters. In the resulting conflict--known to the geth as the Morning War--the geth systematically drive the quarians from their own worlds. The surviving quarians are reduced to living as spacefaring nomads aboard the Migrant Fleet. Contrary to expectations, the geth do not venture outside the former quarian systems into wider Citadel space, instead isolating themselves from the rest of the galaxy behind the Perseus Veil. 



  • Discovering the news of the Quarians loss, Turian Command is forced to subvert the actions of the Citadel Council which was to close the Quarian Embassy. Instead, the Turians call upon the Citadel Arms and Suppression Force to deal with the Geth. 



  • Krogan forces are dispatched into Geth controlled space.


1921 CE


  • The geth begin construction of a mega-structure designed to house and simultaneously run every geth program in existence. Completion of the mega-structure, which would allow the geth to maximize their collective processing capacity, is the long-term goal of geth civilization.



  • As the Krogan commence to retake Quarian space, they soon discover that the Geth are far more threatening than what was reported. For the years to come, the Krogan would be forced to call upon the Turians for support. To better assist in the war effort, the Quarians are allowed to join the Citadel Arms and Suppression Force. 


1961 CE


  • April 12: Yuri Gagarin aboard the Vostok 1 becomes the first human to travel in space. Humanity becomes a spacefaring race.


1969 CE


  • July 20: Apollo 11 lands on Luna. Neil Armstrong becomes the first human to walk on Luna, and the first human to walk on an astronomical object other than Earth.



1980 CE


  • Aria T'Loak assumes control of Omega after defeating the space station's previous warlord in single combat. She mockingly bestows the title "Patriarch" on the broken krogan, and uses him as a reminder to her enemies of her power.



2000 CE


  • The drell make first contact with the hanar around this time. With their homeworld Rakhana severely depleted and no spaceflight capability, the drell were poised for a massive population crash by 2025 CE. Agreeing to help, the hanar mount a large-scale rescue operation and evacuate approximately 375,000 drell to their own homeworld, Kahje, over the following decade. The remaining 11 billion drell on Rakhana gradually perish, warring over the last reserves of food and water.


2069 CE


  • July 20: Armstrong Outpost at Shackleton Crater is formally founded as the first human settlement on Luna, on the 100th anniversary of the first lunar landing.



2070 CE


  • Billionaire Victor Manswell, frustrated with the pace of official human space exploration, begins funding his own private spaceflight expedition.



2075 CE


  • The Manswell Expedition successfully launches from Earth en route to the Alpha Centauri system with 300 colonists aboard in cryogenic stasis. Communications with the vessel are lost soon after.



2077 CE


  • Liara T'Soni is born.



2103 CE


  • The European Space Agency's Lowell City in Eos Chasma becomes the first permanent human settlement on Mars.



2125 CE


  • The Yahg, an intelligent pre-spaceflight race, are discovered on the planet Parnack. Ambassadors representing the Citadel Council arrive on the planet and attempt to open diplomatic contact. After the ambassadors are killed by the predatory yahg, the Council ceases all contact with the yahg and declares Parnack off-limits.



  • Seeing the potential that the Yahg may hold, the Citadel Arms and Suppression Force move to assimilate the Yahg into their ranks and at first it proved to be near impossible until a Krogan warlord named Dravx manages to wrestle one of the leading Yahg to submission. In order to maintain their dignity and ability to live free as they always have they were offered a choice: to flourish under the Citadel Arms and Suppression Force, or to be forced as slaves by the whole of the Citadel and its governing races. 



  • The Yahg are uplifted by the Krogan and given a place within the Citadel Arms and Suppression Force, however not as equals. They live to serve beneath the ranks of the Krogan Dominion. 



  • Yahg are dispatched to Geth controlled space to aid in the war. 



  • Not long after the yahg are discovered, one yahg is captured for the Shadow Broker to study. With the Broker's assistance, the yahg rapidly ascends within the Broker's organization as "Operative Kechlu". Eventually, the Broker becomes wary of "Operative Kechlu" and attempts to have him terminated, but the order is sent too late. The yahg assumes the mantle of the Shadow Broker and directs the organization for the next sixty years.


2134 CE


  • Steven Hackett is born.



2137 CE


  • David Anderson is born.



  • The Eldfell-Ashland Energy Corporation demonstrates helium-3 fuel extraction from the atmosphere of Saturn.


2139 CE


  • Saren Arterius is born.




  • Kahlee Sanders is born.


2143 CE


  • Construction of Gagarin Station (Jump Zero) begins beyond the orbit of Pluto.




  • The Geth are a last defeated and removed from the home world of the Quarians. Those that remained leave into isolation in the far reaches of the Veil. 


2146 CE


  • Thane Krios is born.


2147 CE


  • Trace amounts of element zero are discovered on Mars.


2148 CE: Humanity Discovers Mass Effect Physics


  • Humanity discovers a small cache of highly advanced Prothean technology hidden deep beneath the surface of Mars on the south polar region of Promethei Planum. Building on the remnants of this long extinct race, humans quickly explore the science of mass effect fields, leading to the development of faster than light travel and beginning detailed exploration of the Sol system.


2149 CE



  • Following information from the translated data cache on Mars, humans discover that Charon, Pluto's moon, is actually a massive piece of dormant Prothean technology, a mass relay, encased in ice. Once activated, Jon Grissom leads the first team of explorers through the relay, which instantaneously transports them to another relay in Arcturus, 36 light-years away. The explorers discover that the mass relays are part of a vast network, making travel across the galaxy possible.




  • The Systems Alliance charter is signed by the eighteen largest nations on Earth. The Alliance soon becomes the military and exploratory spearhead of humanity.




  • The Citadel races are alerted by the activation of a dormant mass relay. Intrigued by this untimely activation, Turian Command goes forth to investigate and take this matter upon themselves. 


2150 CE


  • Miranda Lawson is born.



  • The Systems Alliance begins the first surveys for colonization prospects outside the Sol System. One of these surveys discovers the planet Terra Nova.


2151 CE


  • To defend its expanding territory, humanity begins constructing a massive military fleet and space station at Arcturus, the nexus of several key mass relays, even though they have yet to encounter another intelligent spacefaring race.




  • Turian Command watches over humanity with extreme caution as to not rouse humanities suspicion of their existence. 




  • An accident at Singapore International Spaceport exposes hundreds of humans to dust-form element zero. Roughly 30% of the children born in Singapore after element zero exposure suffer from cancerous growths. After his mother is exposed during the accident, Kaidan Alenko is born later that year with biotic potential.



2152 CE


  • The Delta Pavonis Foundation, a major consortium based on Earth, begins settlement of humanity's first extra-solar colony world, the planet Demeter. Later that year, additional colonies are founded on Eden Prime and Terra Nova.





  • Thane Krios is submitted for training as an assassin under the hanar.



2154 CE


  • April 11: Shepard is born.




  • There is a second publicized accident involving the exposure of humans to element zero.



2155 CE


  • Saren Arterius is promoted to active service in the turian military at the age of 16.




  • The Systems Alliance occupies completed portions of Arcturus Station, intended to become the Alliance's headquarters.




  • Jeff "Joker" Moreau is born.



2156 CE


  • Arcturus Station is formally inaugurated.




  • A small number of human children exposed to element zero exhibit minor telekinetic abilities.




  • Kai Leng is born.



2157 CE



  • Pluto's orbit becomes circularized as a result of mass relay operations.




  • Jacob Taylor is born.




  • David Anderson graduates from Officer Candidate School with the rank of Second Lieutenant.


Council Era - Advent of Humanity (2157 CE - 2183 CE)





2157 CE: The First Contact War




  • Humanity makes violent first contact with another spacefaring race: the turians. The turians observe human explorers attempting to activate a dormant mass relay, a practice forbidden by galactic law after the Rachni Wars, and attack. Over the next three months, a brief but tense conflict known by humans as the First Contact War and by turians as the Relay 314 Incident ensues.




  • The events of Mass Effect: Revelation begin. Admiral Jon Grissom travels to Arcturus Station to congratulate graduates of the Systems Alliance's N7 training program and meets David Anderson. Grissom announces that an unknown alien force has attacked an Alliance post at the colony of Shanxi.




  • The First Contact War culminates in the turian siege and occupation of Shanxi, the first human world to fall to an alien race. Admiral Kastanie Drescher leads the Second Fleet in battle against Shanxi's occupiers one month later, catching the turians by surprise and evicting them from the planet.




  • The turians prepare for a full-scale war against humanity, but this draws the attention of the Citadel Council. The Council intervenes before hostilities escalate further, revealing the existence of the greater galactic community to humanity and brokering a peace between them and the turians.




  • The events of Mass Effect: Evolution occur. While aiding the human resistance effort on turian-occupied Shanxi, mercenary Jack Harper becomes embroiled in a plot by turian general Desolas Arterius to use an ancient alien artifact, the Arca Monolith, to convert the turian race into an army of invincible "meta-turians". Harper convinces Desolas' brother Saren of the dangers of the Monolith, which is "devolving" the turians into mindless beings under the Monolith's control. To protect his people, Saren orders the destruction of the building holding the Monolith, Temple Palaven, with Desolas and the meta-turians inside. Later, having realized that humanity and the galaxy face dark times ahead, Harper founds the human-survivalist organization Cerberus, publishes its manifesto, and assumes the identity of the Illusive Man.




  • An anonymous extranet manifesto is published following the end of the First Contact War. The manifesto calls for an army, a "Cerberus", to be established to defend humanity against inevitable alien attacks. Derided as "survivalist rhetoric written by an illusive man", the manifesto is quickly forgotten by the media.



2158 CE



  • Humans learn the potential of biotics. An international effort to track element zero exposures begins. Roughly 10% of recorded exposed children show indications of biotic ability.




  • April 14: Ashley Williams is born.



2159 CE



  • Saren Arterius becomes the youngest turian to be inducted into the Spectres.



  • The Systems Alliance purchases Gagarin Station for a fraction of its construction cost, and converts the facility into a biotic research and training facility.



2160 CE



  • The Systems Alliance Parliament is formed.




  • With the existence of human biotics firmly established, the Biotic Acclimation and Temperance Training (BAaT) program is set up on Gagarin Station to train potential candidates and develop biotic implants.




  • The biotic drug red sand is first used.




  • The Blue Suns mercenary group is founded by Zaeed Massani and Vido Santiago in the Skyllian Verge.




  • Kasumi Goto is born.


2161 CE



  • Amid concerns over gene therapy and genetic modifications being misused, the Systems Alliance Parliament passes the Sudham-Wolcott Genetic Heritage Act. It imposes sharp restrictions on controversial uses of genetic engineering, but provides government subsidies for beneficial applications.




  • Tali'Zorah nar Rayya is born.




  • Jack is born.



2162 CE


  • Construction of Arcturus Station is completed.




  • A survey team working for batarian entrepreneur Edan Had'dah discovers a mysterious artifact orbiting an unnamed planet near the Perseus Veil.



2163 CE



  • The Alliance secretly begins illegal AI research at a base on Sidon with Dr. Shu Qian as project leader. Lt. Kahlee Sanders is assigned as a tech analyst.




  • The first experimental L1 biotic implants are used in humans.




  • A series of starship drive failures are orchestrated over populated areas on human colony worlds, causing widespread exposures to element zero. This results in a second generation of humans born with biotic potential.




  • The Leviathan of Dis, a genetically-engineered living starship believed to be nearly a billion years old, is discovered by a batarian survey team on the planet Jartar. The Leviathan disappears under dubious circumstances after a batarian dreadnought passes through the Dis system.



2164 CE



  • Ivor Johnstagg is sentenced to 21 years in prison for attempting to assassinate Venta Tox, the volus ambassador to the Citadel. Although Johnstagg claims to be acting on behalf of the radical human political party Eternal Earth, no connection is found and Johnstagg is diagnosed with paranoid schizophrenia. Backlash from the assassination attempt jeopardizes the Systems Alliance's bid for an embassy on the Citadel.



2165 CE



  • Humanity continues to expand, founding more colonies and establishing trade alliances with many of the other species who recognize the authority of the Citadel Council. In 2165 CE, the Council makes official recognition of humanity's growing power and influence in the galactic community. Humanity is granted an embassy on the Citadel, the political and economic heart of the galaxy. Tensions grow between humans and batarians as they compete for territory in the Skyllian Verge.




  • The events of Mass Effect: Revelation continue. After an Alliance research station at Sidon is attacked, David Anderson searches for those responsible alongside Kahlee Sanders, and discovers an Alliance scientist, Dr. Shu Qian, was conducting illegal AI research to unlock the secrets behind a mysterious artifact discovered near the Perseus Veil. Eventually, Anderson is assigned to work with Saren Arterius to track down Dr. Qian and his batarian supporter, Edan Had'dah. However, Saren instead kills both Dr. Qian and Had'dah, blames Anderson for the mission's failure, and uses Dr. Qian's research to search for the artifact himself.




  • Terrorists steal antimatter from the Alliance cruiser SSV Geneva. The sole figure arrested names his sponsor "Cerberus". This is the first such incident of sabotage connected to the Cerberus organization.




  • After a disagreement between Vido Santiago and Zaeed Massani over hiring batarians into the Blue Suns, Vido betrays Zaeed and leaves him for dead. All records of Zaeed's involvement in the Blue Suns are erased.




  • Jack is abducted by Cerberus agents on Eden Prime. They fake her death and take her to the Teltin Facility on Pragia as part of a project intended to improve biotic potential in humans.



2166 CE



  • Commander Vyrnnus, a turian mercenary, is hired to oversee the training of human biotics at BAaT.



2167 CE



  • L2 biotic implants are first developed and used in humans. Kaidan Alenko is among the first to receive the new implants.




  • The magazine Fornax is launched.



2168 CE



  • Kaidan Alenko accidentally kills Commander Vyrnnus after being provoked. The diplomatic fallout with the turians results in BAaT being shut down a year later.




  • Shepard receives secondary exposure to element zero. Permanent biotic inclination manifests.



2170 CE



  • The human colony of Mindoir is attacked by batarian slavers. Many colonists are killed or captured.




  • Another human colony, Yandoa, suffers catastrophic dust-form element zero exposure to its atmosphere when an Eldfell-Ashland Energy ship explodes in orbit. Many children suffer birth defects; thirty-seven biotic children are born, including Gillian Grayson.




  • Biotic training for humans is outsourced to the military, selected R&D companies, and renamed divisions of the defunct Conatix Industries.




  • L3 biotic implants are developed after L2 implants prove to be dangerous.




  • The first A-61 Mantis Gunships are produced.



2171 CE



  • In protest at the refusal of the Citadel Council to limit human expansion in the Skyllian Verge, the batarians close their embassy, withdraw into their home systems, and effectively become a rogue state.




  • Shepard is officially detected as a biotic and fitted with L3 implants.




  • Cerberus assassinates Pope Clement XVI on Earth via rosary beads coated with toxic substances; his death is attributed to age and heart failure. His successor, Pope Leo XIV, espouses beliefs more in-line with Cerberus' ideals.



2172 CE



  • April 11: Shepard enlists in the Alliance military.




  • November 14: Kai Leng enlists in the Alliance military.




  • On Gagarin Station, "Eliza" becomes the first sapient AI created in the Systems Alliance.



2173 CE



  • A fly-by over the world of Armeni discovers odd surface protrusions. Upon closer inspection, they are identified as elaborate crypts made by the zeioph, an extinct spacefaring race. Various human universities seek to perform excavation, but Council laws that hold burial sites as sacrosanct prevent this. An ongoing debate over the issue ensues.




  • Terra Firma is involved in a Nashan Stellar Dynamics kickbacks scandal, forcing Inez Simmons, the current party leader, to resign. Charles Saracino becomes the new party leader after his opponent, Claude Menneau, is assassinated by Cerberus operatives while en route to Shanxi. Publicly, Menneau's disappearance is never explained.




  • Kaidan Alenko enlists in the Alliance military.



2174 CE



  • Ashley Williams enlists in the Alliance military.



2175 CE



  • On a survey mission to 2175 Aeia, an important colonization prospect for the Systems Alliance, the MSV Hugo Gernsback disappears and is presumed destroyed.



  • Cerberus covertly contacts Michael Moser Lang, a political dissident on Earth, and provides him with funding to purchase weapons. Cerberus continues to monitor him after contact ends. One year later, Lang assassinates United North American States president Enrique Aguilar and Chinese People's Federation premier Ying Xiong. The resulting political shuffle benefits Cerberus' shell companies and plans for the Systems Alliance Parliament.



2176 CE



  • Batarian-funded pirates and criminals launch a surprise attack, later known as the Skyllian Blitz, on the human colony of Elysium. The assault is repulsed by the Alliance Navy and ground teams.




  • The Jon Grissom Academy is commissioned over Elysium, and becomes home to the Alliance's new biotic training program, the Ascension Project.




  • The Anhur Rebellions, a civil war waged over the practice of slavery, begin on the human and batarian colony world of Anhur and spread throughout the Amun system. Abolitionism supporters hire the Eclipse mercenary group to fight the batarian pro-slavery Na'hesit faction.




  • James Vega enlists in the Alliance military.




  • Kai Leng is awarded the N7 designation by the Alliance's Interplanetary Combatives Academy, but later that year he is dishonorably discharged and imprisoned for first-degree murder.




  • Miners at the T-GES Mineral Works facility on Mahavid uncover a Leviathan artifact. The miners are enthralled by the Leviathans for the next ten years and are used to carry out numerous experiments.



2177 CE



  • During a recon mission to find a missing colonial pioneer team on Akuze, a unit of fifty Alliance marines is wiped out by thresher maws.




  • Cerberus uncovers Leviathan technology and commences experiments into advanced sentient control. A handful of Geth are acquired and Reaper technology is once again re-born into use.



2178 CE



  • In retaliation for the Skyllian Blitz, the Alliance launches a major offensive against the moon of Torfan and destroys the criminal bases there, mostly populated by batarians. The threat against human colonies from batarian extremists is curtailed.




  • The Alliance tracks several pirate FTL exit vectors over a period of six months using covert monitoring devices planted on Theshaca's moons, leading the Alliance Navy to eight major pirate anchorages. Since the "Theshaca Raids", no ships from the Terminus Systems have entered the Hong system.




  • A lethal airborne virus sweeps through the quarian Migrant Fleet. Tali'Zorah nar Rayya's mother is among the casualties.




  • The Anhur Rebellions end with the abolitionist forces in power, and the reconstruction of Anhur commences.



2182 CE



  • Admiral Kahoku of the Systems Alliance begins investigating suspected Cerberus activities.




  • Saren Arterius is approached by Cerberus and is mislead into thinking that the Geth are attempting to return, however, he is soon subjected to alterations from Reaper advancements uncovered. 



2183 CE



  • Humans and Turians collaborate on an engineering project co-sponsored by the Leviathan Supremacy: an experimental frigate with a prototype stealth system, the SSV Normandy. David Anderson is given command of the ship, and Commander Shepard is assigned as executive officer.




  • After the completion of the SSV Normandy, Humanity is granted a seat beneath the Turians and as equals to the Krogan Dominion. They then become the third race to join the Citadel Arms and Suppression Force.




  • The events of Mass Effect: He Who Laughs Best occur. Jeff "Joker" Moreau is assigned as the pilot of the SSV Normandy.



Mass Effect (2183 CE - 2186 CE)




2183 CE: The Eden Prime War



  • Eden Prime is attacked by Geth forces emerging from the Veil. This marks the beginning of the Second Geth War as they also begin attacking the out skirts of Quarian controlled space. Saren Arterius is discovered as being the main leader of the Geth forces under the investigation of Captain Anderson and Commander Shepard aboard the SSV Normandy. Saren's later overall objective was to uncover the remnants of a fallen Reaper in an unnamed planet. Discovered and confused by Cerberus' wishes, Saren goes rogue and uses his new resources to seek power of his own. Commander Shepard with help from his crew and Citadel Arms and Suppression Force launch an assault on the legendary Mu Relay. Saren is defeated and the Geth forces now enhanced with Reaper technology flee into the Veil once more only to be fully bordered by Quarian and Alliance forces. 




  • One month after and aggravated at their failure from before, Cerberus launches a surprise attack on the SSV Normandy. The ship is successfully destroyed as well as Commander Shepard. 




  • Two months later, galactic society attempts to gain stability after the events of the Second Geth War. Humanity now holding a seat within the Council of Oversight. 




  • Commander Shepard's body is uncovered in the void of space by none other than Cerberus who begin work on the Lazarus project. 



2184 CE



  • The raloi of the planet Turvess launch their first space telescope and discover the asari cruiser Azedes in their system. The asari make first contact with the raloi, who are formally welcomed into the galactic community the following year.






  • The biological weapon EHE, or "exotic humanoid encephalopathy", is used by the human terrorist organization Totenkopf in an attack on Gagarin Station. The Alliance cruiser SSV Manila is deployed to monitor the asteroid Israfil, the supposed origin of the miroorganisms used to produce EHE.







  • The freighter MSV Estevanico is attacked by Blood Pack mercenaries and crashes into the planet Zanethu. The Alliance crew on board were among the first humans to encounter the vorcha race.







  • A clone of Commander Shepard, developed by Cerberus for testing purposes alongside the original's under reconstruction body, is stolen by the deserter Rasa from the Lazarus Research Station.


  • L5 biotic implants are developed.




2185 CE



  • Fehl Prime is attacked by Cerberus forces hoping to gain mental control of organic life with use of their newly acquired Reaper technology. Experimentation would uncover that the Leviathan also possess this power and that they were the creators of the synthetic power in the first place. 




  • Illusive Man revives Commander Shepard and lies to him that the Geth are returning and attacking remote human colonies in the Terminus Systems. To this effect, he is tasked with investigating these disappearances. The truth later proves to be Reaper advanced soldiers and Geth that are under the control of Cerberus. 




  • February 10: A dangerously close flyby of the comet CR1331 Kingu devastates the hanar colony of Belan.







  • March 28: A coalition of the corporations Binary Helix, Sonax Industries, and Guanghui Solutions invades the krogan and vorcha-populated world of Garvug.







  • April 28: The Vallum Blast annihilates much of the capital city of the turian colony of Taetrus. In retaliation, Taetrian colonial and Turian Hierarchy troops declare war on the separatist group responsible for the attack.







  • August 11: The Citadel Council makes first contact with a race of virtual aliens who offer advanced technology in exchange for help maintaining the supercomputers that run their civilization.




  • Liara T'Soni locates the Shadow Broker's concealed base on the planet Hagalaz. The Shadow Broker, exposed as a yahg, is killed. Liara takes control of the Broker's organization, intending to use the Broker's vast information network to aid Shepard's fight against the Reapers.






  • December 7: Biologists discover the kirik, an insect-like species with biotic capabilities, on the arid world of Ekram. After the kirik exhibit signs of intelligence, experts and officials debate whether or not the kirik should be uplifted.



2186 CE



  • January 12: An asari exploration team discovers a lost human colony in the Alpha Centauri system. The Systems Alliance links the colony to the forgotten Manswell Expedition of 2070 and establishes contact with the colonists.







  • January 23: SSV Budapest, an Alliance cruiser that sparked a diplomatic crisis between the Earth Systems Alliance and the Batarian Hegemony, withdraws from the Bahak system.







  • After three years on the run, Paul Grayson is captured by Cerberus and implanted with Reaper technology. Kahlee Sanders and David Anderson attempt to rescue Grayson by persuading the Turian Hierarchy to raid several vital Cerberus installations, but are unaware Grayson's body is now under Reaper control. Once free, the Reapers learn of the Ascension Project and use Grayson to single-handedly attack Grissom Academy, where he is finally killed by Anderson and Cerberus assassin Kai Leng. 







  • Councilor Udina asks Captain Bailey to investigate Executor Pallin, claiming that C-Sec has been compromised and is working against the Citadel Council. The investigation results in Pallin's death and Bailey's promotion to the rank of Commander, but Bailey is left with reservations about Pallin's guilt.







  • Gillian Grayson seeks revenge against Cerberus and the Illusive Man for the death of her father. With the help of a faction of biotic supremacists, she captures Cerberus assassin Kai Leng to lure the Illusive Man out of hiding by holding Leng for ransom. Her plan fails, however, and Leng kills her and escapes.







  • Aria T'Loak defends Omega from Adjutants unleashed by Cerberus. The Adjutants distract Aria from Cerberus's true plan: to conquer Omega and maintain exclusive access to the Omega 4 Relay. Aria realizes this and unites the disparate gangs and mercenaries of the station to repel the Cerberus invaders, but is outsmarted by Cerberus's General Oleg Petrovsky. When he threatens to destroy Omega, Aria accepts exile and Cerberus takes control of the station.







  • When a Cerberus alien experimentation facility known as the Barn is attacked by turian forces, Randall Ezno, a Cerberus operative enhanced with biotic implants, learns the truth about the horrific nature of the experiments and discovers his own handler has been made a test subject. Randal turns against Cerberus and the Barn's Director, fights his way through the facility, and escapes. He provides the Systems Alliance with intel on his former employers and swears revenge on the Director.







  • September 21: A massive influx of batarian ships in the Exodus Cluster reported by the Alliance News Network. The newcomers claim their home systems are under attack from an as-yet unidentified hostile adversary. Khar'shan is reported to be under bombardment and the Harsa relay blockaded.







  • September 28: Taetrus goes dark, the culprits confirmed to be the same forces behind the attack on the batarians. Primarch Fedorian declares the Turian Hierarchy at war.




  • Cerberus launches a full scale assault on the weaker parts of the galaxy. This causes an intervention by the Leviathans who learn that the small human faction has learned of Reaper technology that they had once created. Knowing this, they order the Citadel Council and Council of Oversight to destroy Cerberus and all the technology they possess. 





  • Commander Shepard is tasked with leading these forces and is eventually successful. He later comes to be the first member of the new galactic elite force under the Council of Oversight dubbed, "Archangels." Garrus Vakarian would later be the second member to join the elite force as would many others of Shepard's crew from the SR-2 Normandy. 




The Citadel Wars (2186 CE - 2286 CE)






  • An era of peace goes on through the next hundred years where the galaxy undergoes massive advances in technology and growth.




  • The Leviathans grow content with their work and no longer see a need for their original legacy. However, they begin notice that the galaxy is dwindling in resources with the commencement of overcrowding. With this new issue beginning to grow, some factions grow bold and strike out for control of vital resources. 




  • A diplomatic revolt is born between the Citadel Council and the Council of Oversight. 




  • The Council of Oversight is forced to flee the Citadel after assassination attempts made by Asari High Command. This marks the beginning of the Citadel Wars.



Andromeda (2286 CE  - Present Time)




  • Welcome, here is where Galaxies timeline begins. You will all begin your journey here after and the time line shall be updated accordingly. 




  • The Council of Oversight takes refuge on the Prothean home world of Thule. Here is where they embark on sending forth ark ships toward the nearby galaxy of Andromeda. Some ships will make it there, but others seem to loose contact altogether. The final reports being a massive anomaly outside the galactic rim...


Last edited by Admin on Wed Oct 05, 2016 5:00 pm; edited 1 time in total
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Re: The Eezo Timeline

Post by Admin on Sat Sep 10, 2016 1:30 pm

2186 CE - 2286 CE
 
2241 CE 

Cassius Nazadros is born

2244 CE

Camilea Arterius is born

2248 CE 

Cassius is accepted into the Menae Military Academy

2266 CE 

The Leviathan Supremacy wins a significant gain on the planet of Cyone from the Asari and Citadel Council

2267 CE 

Cassius is accepted into the Archangels under the Council of Oversight
 
2272 CE 

Saren Nazadros is born 

2286 CE 

Cassius is given the honor of serving within the Council of Oversight for his people
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