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Alice Greene
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PostSubject: Mass Effect Universe Timeline   Tue Feb 02, 2010 9:49 am

BCE is Before Common Era, CE is Common Era


Pre-Council - 298,000 BCE to 500 BCE

298,000 BCE
The ancient arthenn race flourished in the Zelene system. They lived 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 Epho, another planet in the system, which bears the scars of an ancient orbital bombardment, and on Gaelon, which may have been mined for helium-3.

127,000 BCE
Ancient spacefaring races called the thoi'han and inusannon fought over the planet Eingana. The war caused mass extinctions of native species on the planet.

48,000 BCE
The Protheans, a galaxy-wide civilization linked by the mass relay network, mysteriously vanish, leaving only ruins and artifacts behind. Archaeologists will later believe that they were destroyed in a cataclysm.

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 one of the mass relays out of its position. The dense nebula formed by the supernova means the relay's position is effectively lost. (The Mu-Relay in ME1)

580 BCE
After developing faster-than-light spacefaring capabilities based upon 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.

520 BCE
The salarians discover the Citadel and open diplomatic relations with the asari.


1st Council Period - 500 BCE to 700 CE

500 BCE
The Citadel Council is formed. The asari and salarians together colonize the Citadel and establish it as a center of the galactic community, led by the Council. This year is also known as 0 GS, the beginning of the Galactic Standard (GS) timeline.
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 the whole inner cabinet of the Union; STG operatives then wipe out the League.
The turian Unification War begins.
First contact is made with the volus although at first they are not permitted a permanent embassy on the Citadel. With their participation, a single galactic currency - the credit - is eventually established, linking all galactic economies.

200 BCE
The Council agrees to grant the volus the honour of being the first species with an embassy at the Citadel, but not a Council seat.

200 BCE - 1 CE
The batarians post an embassy, a century or more after first contact.
The asari stumble into the elcor system, and help them to locate and activate their nearest mass relay. "Within one elcor lifetime" they establish a regular trade route to the Citadel and soon post an embassy.
First contact is made with the hanar and the quarians. The quarians post an embassy.

1 CE - The Rachni Wars
The Citadel Council first encounters the rachni, a species of highly intelligent hive-minded insects. They are discovered when an expedition opens a dormant mass relay to their star systems. The rachni prove to be hostile and begin a war with the rest of the galaxy. The Council cannot negotiate because they cannot contact the rachni queens that live underground on the toxic rachni home worlds.

80 CE
The Rachni Wars continue. The salarians transplant the primitive krogan to another world and manipulate them into acting as soldiers for the Citadel Council. The krogan are able to survive the harsh environments of the rachni worlds, and begin a strategy of eradicating queens and eggs.

300 CE
The rachni are declared extinct. In gratitude for their aid during the Rachni Wars, the Council grants 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.

385 CE
A colony is founded on Talis Fia.

1st Intermediate Period - Krogan Rebellions 700 CE to 900 CE

700 CE : The Krogan Rebellions
Krogan warlords leverage veterans of the Rachni Wars to annex territory from others in Citadel space. Eventually the Council demands withdrawal from the asari colony of Lusia, but the krogan refuse. A pre-emptive strike is made on krogan infrastructures by the Council, using the newly-created Spectres. The Krogan Rebellions begin.
First contact is made with the turians. In response to krogan threats, they declare war. After the krogan devastate turian colonies with weapons of mass destruction, the turians respond with a salarian-engineered bioweapon, known as the genophage. The krogan population starts its decline.
The turians accept the volus as a client race within the Hierarchy.

800 CE
The Krogan Rebellions end, though scattered krogan insurgent actions continue for decades. The turians begin to fill the military and peacekeeping niche left by the decimated krogan.
The Citadel Conventions are eventually drawn up, in the wake of the conflict.

2nd Council Period - Geth War 900 CE - 2100 CE

900 CE
The turians are granted a place on the Citadel Council, and their fleet acts as a galactic peacekeeping force.
This marks the start of a 1,200 year period during which Citadel space rapidly expands and new species are introduced to the Citadel. The three Council species - asari, salarians, and turians - successfully govern over an era remembered for its inventiveness, peace, and prosperity.

1600 CE
First sightings are made of the Collectors, from the Omega-4 mass relay in the Terminus Systems. Little is known about this enigmatic race, and most Council races dismiss stories of them as urban legends.

1617 CE
A colony is founded on Illium.

1684 CE
The city of Nos Parnalo on Illium is abandoned after microbes native to Nepyma and transported by the starship Verallas devastated the city and the surrounding areas.

1764 CE
A colony is founded on Esan.

1781 CE
A colony is founded on Korlus.

1874 CE
While surveying the Ondeste system, a probe discovers that the planet Maisuth lacks significant deposits of resources.

1895 CE : The Geth War
The quarians create the geth, intended to be a source of cheap labour. The quarians notice geth showing signs of self awareness, and plan to destroy them before they become a menace. The geth rebel against their quarian masters and, in the resulting war, reduce the quarians to a species of space faring nomads aboard the Migrant Fleet. Contrary to expectations, the geth do not venture outside the former quarian star systems, instead isolating themselves from the rest of the galaxy behind the Perseus Veil. In punishment for their actions, the Citadel Council closes the quarian embassy on the Citadel.
The quarian colony Charoum is occupied by the geth.

1896 CE
The quarian colony Haestrom is occupied by the geth.

1913 CE
After the batarians annex the asari colony Esan, they change the name to Lorek.

1939 CE
A colony is founded on Invictus.

1975 CE
A colony is founded on Caleston.

2035 CE
A colony is founded on Thunawanuro.

2044 CE
A research station is founded on Sinmara, and an agricultural colony is founded on Asteria.

2047 CE
Pirates raid the mining colony on Korar, and impress the children of the miners into slavery.

2050 CE
The last of the star charts showing the position of Heretic Station are amended so that the station doesn't appear on future editions.

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.

2077 CE
Liara T'Soni is born to Matriarch Benezia and an unknown asari.

2092 CE
In orbit above the planet Ponolus, the research station Alviusic is destroyed by a meteor with the loss of six crew members.
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PostSubject: Re: Mass Effect Universe Timeline   Tue Feb 02, 2010 10:12 am

2nd Intermediate Period - First Contact War 2100 CE - 2182 CE

2103 CE
The European Space Agency's Lowell City in Eos Chasma becomes the first permanent human settlement on Mars.
A colony is founded on Ekuna.

2135 CE
Mordin Solus is born.

2137 CE
David Anderson is born.
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.

2145 CE
Zaeed Massani is born.

2146 CE
Thane Krios is born.

2147 CE
Trace amounts of element zero are discovered on Mars.

2148 CE
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 solar 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. They discover that the Charon Relay allows instantaneous travel across thousands of light-years to a synchronized mass relay in another part of the galaxy.
The Systems Alliance charter is signed by the eighteen largest nations on Earth. The Alliance soon becomes the military and exploratory spearhead of humanity.

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 rapidly expanding empire, humanity assembles a massive fleet and begins construction of an enormous military space station at Arcturus, at the nexus of several key mass relays... even though they have yet to encounter another intelligent space-faring species.
An accident at Singapore International Spaceport exposes a human population to dust-form element zero. After his mother is exposed during the accident, Kaidan Alenko is born later that year with biotic potential.

2152 CE
The Systems Alliance begins settlement of Earth's first extra-solar colony world, the planet Demeter. Later that year, additional colonies are founded on Eden Prime and Terra Nova.
Roughly 30% of the children born in Singapore after element zero exposure suffer from cancerous growths.
Thane Krios begins training as an assassian.

2153 CE
Pallin joins C-Sec.

2154 CE
4.11.2154: Commander Shepard is born.
There is a second publicized accidental exposure by 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 as a headquarters.
Jeff "Joker" Moreau is born.

2156 CE
Arcturus Station is inaugurated.
A small number of human children exposed to element zero exhibit minor telekinetic abilities.
Human explorers near Pluto discover that Charon is actually an inactive mass relay encased in ice. Information gleaned from the Prothean ruins on Mars allow scientists to begin the process of its reactivation.
A colony is founded on Tyr.

2157 CE
Pluto's orbit becomes circularized as a result of mass relay operations.
Jacob Taylor is born.
David Anderson graduates from OCS with the rank of First Lieutenant.

The First Contact War
Humanity makes first contact with another space-faring culture: the turians. Unfortunately, the encounter is far from peaceful. The turians find the human fleet attempting to activate a mass relay, something forbidden in galactic law after the Rachni Wars, and attack. Over the next several months, a brief but tense conflict known on Earth as the First Contact War ensues. David Anderson, newly graduated from the Alliance's elite N7 programme, serves with distinction alongside Jill Dah. Saren's brother is one of the turian casualties. Finally General Williams is forced to surrender the garrison at Shanxi to the turians.
Admiral Kastanie Drescher leads the Second Fleet against Shanxi, catching the turians by surprise and evicting them from the planet.
The turians gear for a full 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.

2158 CE
Humans learn potential of biotics. An international effort to track element zero exposures begins. Roughly 10% of exposed children show some sign of biotic ability.
Thane Krios makes his frist kill at the age of twelve.
April 14: Ashley Williams is born.

2159 CE
Saren Arterius becomes the youngest turian to enter the Spectres.
The Systems Alliance purchases Gagarin Station for a fraction of its cost, and converts the facility into a biotic research and training facility.

2160 CE
Systems Alliance Parliament formed.
With the existence of human biotics firmly established, the BAaT programme is set up on Gagarin Station to train potential candidates and develop biotic implants.
First known use of the biotic drug red sand.
Colonies are founded on Arvuna and Zorya.
The mercenary group Blue Suns is founded by Zaeed Massani and Vido Santiago in the Skyllian Verge.

2161 CE
Amid concerns over gene therapy and genetic modifications being misused, the Alliance Parliament passes the Sudham-Wolcott Genetic Heritage Act.
Tali'Zorah nar Rayya is born.

2162 CE
Construction of Arcturus Station is completed.
A survey team working for a 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.
First experimental 'L1' biotic implants used in humans.
The NDC founds a colony on Noveria.
Harkin becomes the first human C-Sec officer.
The Alliance begins charting the Voyager Cluster.
The Leviathan of Dis disappears, coinciding with the arrival of a batarian dreadnought.
Kumun Shol and his army of mercenaries begin excavating the surface of Klencory.
A survey team reports strange disturbances in the clouds of Logan. Upon investigation however, the signals disappear.
Second generation exposures by humans to element zero are orchestrated by the failure of drive systems over populated areas.
The probe Ultimate surveys the Pauling planetary system.

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, 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 occur. 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.
A colony is founded on Anhur.
The garden planet Watson is discovered by humans.
Terrorists, later identified as agents of Cerberus, steal antimatter from an Alliance cruiser.
Zaeed Massani is betryed by Vido Santiago.
A probe discovers two planets, 2175 Aeia and 2175 AR2, in the Alpha Draconis system.

2166 CE
A turian mercenary, Commander Vyrnnus, is hired to oversee training at BAaT.
The first human colony at Intai'sei is founded.

2167 CE
L2 biotic implants first developed and used in humans; Kaidan Alenko is among the first to receive the new implants.
Humans establish the first mining towns on Therum.
The magazine Fornax is launched.

2168 CE
A scandal erupts over activities at a training facility based on a moon of Xetic.
A colony is founded on Horizon.
Zaeed Massani kills Gesack, The Krogan leader of the Omega Blood Pack

2169 CE
Kaidan Alenko accidentally kills Commander Vyrnnus after being provoked. The diplomatic fallout with the turians results in BAaT being shut down.
A colony is founded on Sanctum.

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, to selected R&D companies, and to renamed divisions of the Conatix Industries.
L3 biotic implants are developed after the L2 implants prove to be dangerous.
A colony is founded on Yamm.
The first A-61 Mantis Gunships are produced.

2171 CE
In protest at the Council's refusal to check human expansion in the Skyllian Verge, the batarians close their embassy, withdraw into their home systems, and effectively become a rogue state.
A colony is founded on Joab.

2172 CE
4.11.2172: Shepard enlists in the Alliance military (this date is also Shepard's birthday, see above).
On Gagarin Station, 'Eliza' becomes the first sapient AI in the Systems Alliance.

2173 CE
A fly-by over the world of Armeni discovers odd surface protrusions. Upon closer inspection, they turn out to be elaborate crypts for the zeioph, a now extinct former space-faring race. Various human universities seek to perform excavation. Council Law forbids this however, and a debate ensures.
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, mysteriously vanishes while en route to Shanxi.
Risa Uvarsen uses the terrain of Faringor to film the external scenes of the movie Starless.
Golo is exiled from the Migrant Fleet for trying to sell quarians to the Collectors.
Kaidan Alenko enlists in the Alliance Navy.

2174 CE
Ashley Williams finishes high school and enlists in the Alliance military.

2175 CE
A colony is founded on Rosh.
The MSV Hugo Gernsback crashes on 2175 Aeia.

2176 CE
Batarian-funded pirates and criminals launch a surprise attack on the human colony of Elysium, later known as the Skyllian Blitz. 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 between anti- and pro-slavery forces, begins on the colony world Anhur.
The distress beacon for the Hugo Gernsback is fixed.

2177 CE
During a recon mission to find a missing colonial pioneer team on Akuze, a unit of fifty Alliance marines are wiped out by thresher maws.

2178 CE
The Alliance tracks several pirate FTL exit vectors during the 'Theshaca Raids'. 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.
Tali'Zorah nar Rayya’s mother dies after contracting an airborne virus aboard the Migrant Fleet.
ExoGeni Corporation announces its decision to settle the world of Feros.
Anhur Rebellions end with the anti-slavery forces in power, and reconstruction of Anhur commences.

2179 CE
A colony on Proteus is founded.

2180 CE
A colony is founded on Boro.
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PostSubject: Re: Mass Effect Universe Timeline   Tue Feb 02, 2010 10:13 am

Contemporary Period - Mass Effect 2183 CE - 2185 CE

2183 CE
Humans and turians collaborate on an engineering project co-founded by the Citadel Council - an experimental frigate with a prototype stealth system, the SSV Normandy. The Normandy is commissioned with Captain Anderson in command. Commander Shepard - now a promising young officer in the Alliance Navy - is assigned as XO.
The colonization of Chasca begins.
The city of Urdnot becomes the capital of the krogan homeworld Tuchanka.
The events of Mass Effect occur. Saren Arterius's attack on Eden Prime is revealed to be part of a larger plan orchestrated by Sovereign, a Reaper seeking to return the rest of its brethren to the galaxy. After suffering a vision from a Prothean Beacon, Commander Shepard and the crew of the SSV Normandy track Saren, uncover the truth behind the Conduit, and defeat Saren and his geth army aboard the Citadel while the Alliance Navy takes on Sovereign. The Citadel Council is irrevocably changed by Shepard's decisions.
The events of Bring Down the Sky and Pinnacle Station occur.
The opening events of Mass Effect 2 occur. One month after the Siege of the Citadel, the SSV Normandy is attacked and destroyed by an unidentified assailant, resulting in the death of Commander Shepard. Later, the Systems Alliance officially declares Shepard "killed in action".
The events of Mass Effect: Redemption occur. Commander Shepard's body is recovered by Blue Suns mercenaries for the Shadow Broker. Cerberus eventually obtains the body and begins work on the Lazarus Project.
L4 biotic implants are developed.
The events of Mass Effect: Ascension occur. With galactic society still in flux over the changes to the Council and none the wiser as to the true nature of Sovereign or the Citadel and mass relays, Cerberus pushes ahead with plans for both the Ascension Project and the quarian Migrant Fleet, but is foiled by the actions of Kahlee Sanders and Paul Grayson. After an attack by Cerberus forces, the Migrant Fleet changes its conservative policy, sending ships away from the Flotilla to look for new homeworlds or possibly a dormant Reaper.
The events of Mass Effect Galaxy occur.

2184 CE
The distress beacon on the MSV Hugo Gernsback is activated remotely.
Subsequent to a biological terrorist strike to Gagarin Station, the Alliance dispatches the cruiser SSV Manila on a mission to Israfil on the belief that the terrorists may have obtained materials for the weapon from the native organisms and that a ship should be present at the asteroid just in case the terrorists reappear.
Events of Mass Effect: Underworld occur.

2185 CE
The events of Mass Effect 2 occur. Commander Shepard is revived and tasked by the Illusive Man to investigate the mysterious disappearances of entire human colonies.
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