Great Hyperspace War

The Great Hyperspace War was a war fought between the Old Republic and the Sith Empire in 5,000 BBY. The conflict encompassed three Republic worlds, the Sith gravesite of Korriban, and the remote star system Primus Goluud. After it overcame the initial shock of the Sith Invasion, the Republic's armadas regrouped and annihilated the Sith Empire, forcing the Dark Lord Naga Sadow to exile himself to Yavin 4.

The Golden Age of the Sith
After their defeat during the earliest Jedi Civil Wars, called the Great Schisms, the adherents of the dark side fled from Republic space and settled on the world of Ziost where they ruled over the barbaric red skinned Sith like gods. In time, the Dark Jedi and the remarkably force sensitive Sith natives interbred through the use of Sith alchemy and became one people. The united Sith formed an immensely rich and powerful empire built upon sorcery and dark side fueled technology quite possibly adapted from the scattered ruins of the earlier Infinite Empire of the Rakata. Over the centuries, the Dark Jedi exiles were forgotten by the Galactic Republic even as all records of the Republic were lost by the Sith. The two civilizations thrived in isolation, each ignorant of the other.

The Discovery of the Sith Empire


During the height of the Sith Empire, two shady Republic hyperspace explorers stumbled upon the Sith mausoleum planet of Korriban by chance. The siblings, Gav and Jori Daragon, hoped to discover a lucrative new hyperspace route that would help them pay off their enormous debts. After stealing back their impounded ship Starbreaker 12, they dialed random coordinates into their nav computer and entered hyperspace trusting in their “Luck” (ie. untrained Force potential) to survive the journey.

Their arrival on Korriban coincided with the death of the greatest Dark Lord in the Sith Empire's history, Marka Ragnos. The two challengers for his crown, Naga Sadow and Ludo Kressh, where in the midst of a duel for mastery on the threshold of his tomb when the Daragons descended from orbit.

Upon landing, Gav and Jori were immediately captured and brought to the icy Sith capital world of Ziost for interrogation. After learning of the forgotten Republic, a conclave of the Sith Lords led by Kressh declared them spies and sentenced them to death, but Naga Sadow disagreed. He dreamed of vast new territories to conquer for the Empire. With the aid of his alchemically modified Massassi Warriors, he masterminded the Daragon's escape and planted evidence that they had been rescued by Republic agents.

Sadow moved the Daragons to his personal fortress on Khar Shian, pretending he was their ally while simultaneously using their supposed “escape” to galvanize the Sith Lords into a war against the Republic. Keeping the siblings separated, he began to teach Gav Sith sorcery even as he made excuses to keep his sister Jori from returning to Republic space.

Kressh soon discovered Sadow's subterfuge and marshaled his followers to attack Sadow's fortress. When Kressh's fleet arrived, Sadow advised Jori to flee from the battle without her absent brother and to warn the Republic of the impending invasion, but all had transpired as Sadow had planned. Once Jori made the jump to lightspeed, he unleashed a massive force that he had held back and defeated Kressh soundly. Ludo Kressh's flagship was destroyed in the engagement. With his competition presumably dead, Sadow united the military forces of the Empire and crowned himself Dark Lord of the Sith. Following the homing beacon he had placed aboard the Starbreaker 12, Sadow began his invasion of the Galactic Republic.

Meanwhile, after numerous delays, Jori managed to deliver a warning to Empress Teta of the Koros system. The skeptical empress eventually followed the advice of her Jedi councilor Memit Nadill and that of his companions Odan-Urr and Master Ooroo. She alerted Coruscant to the impending invasion, but few heeded her.

The Sith Invasion


Sadow deployed his fleets to invade numerous Republic worlds simultaneously while he parked his eye shaped meditation sphere near the red-giant star Primus Goluud and used battle meditation to aid his forces in the field. The ferocity of the Sith invasion swiftly overwhelmed the lax Republic Navy.

Gav Daragon was given command of the Koros Major invasion fleet. When he arrived in his home system a battle ensued. During the fighting, Gav searched for his sister at Aarrba the Hutt's starship repair dock flanked by a host of Massassi bodyguards. Aararba, a close family friend, was struck down by his guards just moments before Jori entered the chamber. Thinking Gav had killed Aarrba, she attacked her brother with a lightsaber given to her by Odan-Urr. Gav fled from his sister and returned to his master at Primus Goluud. Without their commander, the Sith forces on Koros fell into disarray and where defeated.

Upon arrival at Primus Goluud, Gav opened Sadow's meditation sphere and accidently broke the Sith Lord's concentration on the distant invasion of Coruscant, thereby allowing the Republic soldiers to rally and win that battle as well. Meanwhile, on the planet Kirrek, yet another battle was fought. There, Jedi Master Ooroo defeated a massed force of Massassi warriors, but sacrificed his life in the process.

Jori and Empress Teta followed Gav to Primus Goluud at the head of a large Koros fleet. Realizing that the tide of war had turned against him, Sadow abandoned his embattled forces to the leadership of Gav Daragon and used a Sith superweapon to implode the nearby star. Disgusted by Sadow's betrayal, Gav turned against his master. He transmitted the hyperspace coordinates of the Sith Empire to Empress Teta and warned her to leave the system just before Primus Goluud went supernova, destroying Naga Sadow's meditation sphere and Gav along with it.

The Fall of the Sith Empire
Naga Sadow managed to flee back to the Sith Empire, but a living, breathing Ludo Kressh was waiting for him in ambush. Having discovered Sadow's plan to assasinate him, Kressh had allowed the new Sith Lord to think him dead. His attack on Sadow's fortress had been a feint meant to lull Sadow into complacency, but in the end Kressh's complex plans came to naught. He was killed when one of Sadow's vessels slammed into his own during the frenzied Sith battle over Korriban. The Republic armadas arrived while the Sith fleets battled each other and managed to annihilate them both in the cross-fire. Sadow sacrificed the remains of his fleet to ensure his own survival. Destroying his persuers with tricks and sorcery, he limped away from the engagement aboard his damaged flagship.

Aftermath
Naga Sadow and his remaining Massassi Warriors fled to the remote Yavin system and hid on its fourth moon. There, he used Sith sorcery to place his body in stasis while his warped Massassi servants slowly degenerated into barbarism.

At the end of the Great Hyperspace War, the Jedi Odan-Urr founded the great museum city upon the planet Ossus. Stored within its countless libraries and vaults were ancient Jedi artifacts gathered by his fallen Master Ooroo as well as Sith artifacts collected from the wreckage of their invasion fleet. The Sith artifacts included a Sith Holocron that Odan-Urr had found on a derelict Sith vessel near Koros Major. Over the centuries, Ossus would grow to become the premier library, archive, and academy of the Galactic Republic.

Due to her bravery and tactical brilliance during the war, the people of Koros honored their leader Empress Teta by renaming their star system after her.

Battles



 * Battle of Coruscant
 * Battle of Koros Major
 * Battle of Kirrek
 * Battle of Primus Goluud
 * First Battle of Korriban
 * Second Battle of Korriban

Republic

 * Jori Daragon
 * Aarrba
 * Empress Teta
 * Memit Nadill
 * Odan-Urr
 * Ooroo
 * Anavus Svag
 * Tuknatan
 * Sonam-Ha'ar

Sith Empire

 * Gav Daragon
 * Marka Ragnos
 * Naga Sadow
 * Ludo Kressh
 * Dor Gal-ram
 * Horak-mul
 * Simus
 * Shar Dakhan

Appearances

 * Tales of the Jedi: The Golden Age of the Sith
 * Tales of the Jedi: The Fall of the Sith Empire