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Spoiler warning: Plot and/or ending details follow: The following content contains spoilers!

The Iconian Empire was a massive interstellar empire that once existed in the Milky Way Galaxy. It is known that this entity had fallen about 200,000 years ago.

By the 25th century, the Iconian Empire reappeared and launched a campaign of conquest throughout the quadrant, leading to the Iconian War.


Rise and Fall of the Empire[]

The ascendancy of the Iconian race began thousands of years ago when their race made use of the Dream Gem, to develop their gateway technology. Using this incredibly advanced technology, they formed the Iconian Empire which by 200,000 years ago is known to have reached all four quadrants of the galaxy. (TNG novel: The Devil's Heart)

Despite legends describing the Iconian Empire as brutal and oppressive, it used its technology to benevolent ways, led by M'Tara, the Iconian people was known for their openness and hospitality. However, suspicion and fear motivated several species from all over the galaxy to unite against the Iconian Empire. These species formed an alliance, which journeyed to the Empire's capital planet and homeworld of Iconia, where they bombarded its surface, where it was believed that the "Demons of Air and Darkness", as other species called them, were finally destroyed. In over 200,000 years no other state had achieved the same level of greatness as the Iconian Empire. (TNG novel: The Devil's Heart, VOY - What Lay Beyond short story: "In the Queue")

A captain from the year 2410, joined by the Klingon Captain Kagran and disgraced Romulan Empress Sela, arrived during this time from a time portal and learned the truth of the Iconian Empire's fall - they were a benevolent race that was highly technological, though a bit arrogant. Many races coveted their technology, seeking to use it for conquest or being about to eradicate disease without knowing of the consequences of using such high technology. These races united and attacked Iconia's colony worlds before attacking Iconia itself. The trio aided three Iconians - M'Tara, L'Miren and T'Ket - in evacuating the Iconians to Dewa III. However, Sela, wanting to complete the trio's original plan to kill the Iconians and stop the war that was ravaging their world at the time, struck killing a number of Iconians and crippling L'Miren, leading to T'Ket to vow to eradicate the Romulans for her treachery. (STO mission: "Midnight")


Although the Iconians were believed to be extinct, some used the Dream Gem to activate their gateway network in order to survive. In the early 25th century, the Iconians had several servitor races which served them in order to complete their common goals. In the early 2410, a Dyson Sphere suddenly jumped from the Andromeda Galaxy to some location near the Iconia system, bringing the Herald fleets, signaling the beginning of their invasion. These events led to what became known as the Iconian War.

During the Alpha Quadrant Alliance's assault on Iconia, M'Tara was killed by enemy forces and L'Miren was chosen to replace her as the empire's leader. After the time travelers returned to the present, they hailed L'Miren's flagship and returned the World Heart to her people. Realizing they were the ones who saved her from death millenia ago, L'Miren stands down and withdraw to Iconia, asking only to be left alone so they could rebuild, contemplate and grieve. (STO - The Iconian War mission: "Uneasy Allies", TNG novel: The Devil's Heart)

In 3190, Starfleet's C-in-C Admiral Charles Vance and Federation Security believed that surviving members of the Iconian Empire were capable of possibly creating the Dark Matter Anomaly.(DSC episode: "The Examples")



major states in the Alpha and Beta Quadrants
Khitomer Accords Cardassian UnionFerengi AllianceKlingon EmpireUnited Federation of Planets
Typhon Pact Breen ConfederacyGorn HegemonyHoly Order of the KinshayaRomulan Star EmpireTholian AssemblyTzenkethi Coalition
Khitomer Alliance Cardassian UnionDeferiDelta AllianceDominionFerengi AllianceKlingon EmpireLukari ConcordiumRomulan RepublicUnited Federation of PlanetsVoth Separatists
non-aligned states CortDaa'Vit ConfederacyDanteri EmpireFirst FederationGottar HegemonyGrigariHydran KingdomImperial Klingon StatesInterstellar ConcordiumJibetian ConfederacyKarg EmpireKentari UnionKzinti PatriarchyLyran Star EmpireMentosh AssemblyMetron ConsortiumNew Thallonian ProtectorateNyberrite AllianceOrion ColoniesPatriarchyRegnancy of the Carnelian ThroneSattar CollectiveSheliak CorporateShirn AllianceTalarian RepublicTarn EmpireTezwaTirrion AssemblyUbarrak PrimacyVenette ConventionVomnin Confederacy
defunct states Hiram AssemblyHradrian EmpireHusnock Star KingdomImperial Romulan StatePartnership of CivilizationsStellar Kingdom of CorillThallonian EmpireThelasian Trading ConfederacyZalkat Union
states unique to the mirror universe Galactic CommonwealthKlingon-Cardassian AllianceTerran EmpireTerran Republic
states from other alternate timelines AllianceErdenreichGalactic UnionIconian-Dominion AllianceInterstellar AxisInterstellar CoalitionInterstellar UnionKlingon-Andorian CompactVulcan-Andorian EmpireVulcan ProtectorateVulcan Star Empire