During the Thousand Year War, Thals were just as brutal as their Kaled enemies. They had no qualms about using the slave labour of Kaled prisoners and Mutos to build the neutronic missile, even when they knew the radiation from the missile would kill the slaves. (TV: Genesis of the Daleks) There were seven males for every female. (AUDIO: Corruption)
Centuries later, they revered the Doctor and his companions as heroes and referred to the prior event as the First Dalek War. Turning full circle, they again adopted a militaristic way of life, though only, it seems, against the Daleks. (TV: Planet of the Daleks) Though dedicated to a militaristic lifestyle, the preservation of their species and lineage was of great importance to the Thal people. Consequently, all members of the Thal military were required to have a child before they were allowed to serve. Although most Thal children grew up without their parents because of this, they were taught to be proud of them because they had fought the Daleks. (PROSE: War of the Daleks) "Sweet life" was a Thal oath. (PROSE: The Dalek Factor)
Thal technology advanced in parallel to that of the Kaleds for some time. The Kaled began researching means of survival while the Thals concentrated on ways to destroy their enemies. They developed the neutronic missile but lacked the power to break down the Kaled defences with it. (TV: Genesis of the Daleks)
After the Thal-Dalek War, it was many generations until they developed interplanetary flight. Their ongoing conflict with the Daleks forced them to develop weaponry. They used compact firearms that were attached to their holsters by a cord. However, these weapons seemed to have no effect upon Daleks.
Early history Edit
One account stated the Thals and Dals were descended from humans transplanted from Earth to Skaro as an experiment by the Halldons. (PROSE: We are the Daleks!) Bernice Summerfield was aware that the SSSSSSS had made a few crude wormholes in the fabric of space-time and sent genetic data through them to plant their "seed of Aryan purity" throughout history, resulting in some planets far from Earth having blond-haired, blue-eyed humanoids. (PROSE: Down) 100 million years before the Thousand Year War, the Thals' evolution diverged from that of the Kaleds. (AUDIO: Corruption)
The Thals had written records going back nearly half a million years. Records would describe the Thals as originally a warrior people, while the Dals were more orientated towards philosophy and science. (TV: The Daleks) Because the earlier sections of their recorded history was distilled from oral tradition, they were less accurate than later documentation of Thal history. (PROSE: The Secret Lives of Monsters)
Thousand Year War Edit
Originally, the Thals and Kaleds lived together in peace. (AUDIO: Purity) Due to unknown circumstances, the Kaleds and Thals engaged in the Thousand Year War, (TV: Genesis of the Daleks) with historians finding evidence of both a Thal attack or a preemptive strike by the Kaleds. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe) Though they originally used advanced technology, towards the end of the war they became more primitive. By the end of the conflict, both Thals and Kaleds sheltered in domed cities overlooking a wasteland.
The war concluded when Davros, a Kaled leader, gave the means to destroy the Kaled Dome to the Thals. They used this compound in the missile they sent to the Kaled city and destroyed it. In "retaliation" for the destruction of the dome, Davros ordered the Daleks to destroy the Thals. Led by a Thal, Bettan, Thals and Mutos joined together to fight the Daleks, who were trapped in the Kaled bunker after an explosion, defeated but still alive. (TV: Genesis of the Daleks)
The Thals renounced violence and became pacifist farmers living in small bands on a less radiated plateau. They would not even engage in violence for self-preservation and showed no curiosity about the Dalek City or its inhabitants. The Thals believed that, following the war, radiation had mutated them into perfect beings, though after a stage of advanced mutations.
After a particularly bad year for crops, the Thals were forced to move to the petrified jungle near the Dalek City, over five hundred years after the war passed, to look for food. Ian Chesterton, a companion of the First Doctor, used moral blackmail to force the Thals, Alydon in particular, into putting together an expedition into the Dalek City to fight against the Daleks who intended genocide against the Thals. The Thals invaded the Dalek City, cut off the power and so deprived the Daleks of the static electricity they needed to live. (TV: The Daleks)
Following what would become known as the Thal-Dalek battle, the Thals, through reverse engineering Dalek technology, constructed a new city for themselves. As their technology developed, a movement of Thals began championing for a return to their pacifist roots. On one of their scientific excursions to the Dalek City, their leader scientist, Tryana, discovered the Dalek City's secret incubation level and the slumbering form of the Dalek Supreme who duped her into thinking that it desired peace. 50 cycles after the battle, the Doctor and his companions returned to Skaro, their arrival causing the Dalek Supreme to abandon its ruse, leading a resurrected army of Daleks to invade the Thal City. The Doctor and his friends managed to rally the Thals against the Daleks once again before they took their leave, though some Thals worried that the Daleks might return once again, possibly having another colony on the planet. (AUDIO: Return to Skaro)
Spaceflight era Edit
By the 26th century, the Doctor's first visit to Skaro was considered a legend.
In 2540, the Third Doctor and Jo Grant met a taskforce of Thals on Spiridon where a small group, led by Taron, had landed to destroy a Dalek army massed on that planet. The Thals had, by then, reclaimed Skaro. They had only recently developed spaceflight. The mission to Spiridon was the furthest they had ever gone. Earth was unknown to them, believed to be simply part of the Doctor legend. (TV: Planet of the Daleks)
The Thals were said to have relocated to another homeworld New Davius (AUDIO: Brotherhood of the Daleks) some time before the Imperial-Renegade Dalek Civil War, (COMIC: Emperor of the Daleks!) although they occasionally returned to Skaro for brief visits. (AUDIO: Scorched Earth) In their absence, Skaro was believed to have been destroyed. (TV: Remembrance of the Daleks)
In reality, a decoy world named Antalin had been destroyed. The Thals survived past Antalin's destruction and fought the Daleks on Terakis and wiped out half of the Dalek Eighth Fleet. (PROSE: War of the Daleks)
Eight centuries after the Daleks had been defeated, the Thals had made it their mission to hunt and destroy any remaining Daleks in the galaxy. A squad of Thals travelled to a planet in the Quadrille and discovered that the Doctor was unwittingly working for the Dalek Emperor. Whislt the Thals believed that the Doctor had helped them to escape, they had in fact been infested with the Dalek factor, which, after several generations, would turn the Thals into Daleks. (PROSE: The Dalek Factor)
Alternate timeline Edit
In an alternate timeline, the Thal scientist Professor Ptolem was part of a Dalek effort to find a cure to the Mutant Phase. This timeline was averted when the Fifth Doctor convinced the Dalek Emperor not to give the Daleks of the past an ineffective pesticide that would cause the Mutant Phase in the first place. (AUDIO: The Mutant Phase)