Thousand Year War

The Thousand Year War, or Neutronic War, pitted the two indigenous peoples of Skaro against one another. The conflict ravaged the planet with radiation, forcing the remaining combatants to live within domed cities. The war created a third race of sorts in the Mutos, who were made outcasts due to their disfigurement.

Even as the cause of the war was lost to memory, both sides remained committed to victory - only for both to be almost completely annihilated, with the Thals surviving only as small bands of peasants and their enemies devolving into the inhuman Daleks.

Participants
The War which devastated Skaro was fought between the Thals and the ancestors of the Daleks. (TV: The Daleks) The identity of the latter species was debated: most accounts identified the Thals' enemies as the Kaleds, (TV: Genesis of the Daleks, AUDIO: Davros, et alt.) but others referred to a race of humanoids already called "Daleks". (COMIC: Genesis of Evil, TV: The Daleks) The post-War Thals believed that the Daleks' forefathers and their enemies had been the "Dals", (TV: The Daleks) yet one account specificed that "Dal" was in fact just the original name of the Kaled species. (PROSE: The History of the Daleks)

Causes
By the latter stages of the war, neither the Kaleds nor the Thals could remember why it had started. Historians of both sides would blame the other for firing the first shot. By the latter stages of the war, the Kaleds only fought to commit genocide against the Thals so as to prevent themselves from being the victim of genocide at the hands of the Thals, and the Thals only fought to commit genocide against the Kaleds to prevent themselves from being the victim of genocide at the hands of the Kaleds. In effect, each side feared the "only alternative [to fighting] was extermination". (AUDIO: Davros)

The First Doctor discovered evidence to suggest that the Thals had originally been the oppressors of the peaceful Dalek forebears. (TV: The Daleks) Historians speculated that the Kaleds had turned bitter, and, seeing the Thals build the Thal Dome to make their capital impregnable, had followed suit, leading to a cold war of sorts. It was, however, impossible to know for sure whether the actual first act of the War had been the Thal aggression the Kaleds feared, or a preemptive strike on the Thals by the Kaleds. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)

However, a different account claimed that the Thals had inhabited the continent of Davius, far away from the humanoid Daleks' home on Dalazar, across the Ocean of Ooze, and that they had been peaceful and agreeable. The War Minister of the Daleks, Zolfian, had wished to destroy the Thals out of sheer xenophobia, a sentiment shared by some of his people but not by their leader, the pacifist Drenz.

After the discovery of large amounts of pure cobalt in the Radiation Range, the Daleks had been able to manufacture a "mighty" neutron bomb with which to intimidate, or even exterminate the Thals. When Drenz opposed the project, he was assassinated by Zolfian, who also had the great scientist Yarvelling create Dalek War Machines. (COMIC: Genesis of Evil) Events similar to this account were dismissed by human historians as distorted myths. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)

Further fighting
By the time that the Fourth Doctor visited Skaro on a mission to prevent the creation of the Daleks, the Thals and Kaleds lived in two domed cities overlooking a polluted wasteland marked by discarded war machines, corpses, and minefields. The Scientific Elite, headed by Davros and his assistant Nyder, and a Military Elite hoped to create weapons that would finally bring victory. The use of nuclear, chemical and biological weapons had led to genetic mutations among both Thals and Kaleds, disparagingly referred to as Mutos. The Mutos were driven out by the Thals and the Kaleds to keep their races pure.

By this time both sides had become so desperate for soldiers that they were deploying boys in their early teens on the battlefield and the chief Kaled commander, General Ravon, was a young man in his early twenties.

An anachronistic mixture of technologies on the battlefield showed a society which had devolved rather than evolved, with combatants using energy weapons alongside rifles and machine guns and engaging in trench warfare as in Earth's early 20th century with minefields, barbed wire, and gas shells being used frequently during engagements. Their uniforms were frequently mismatched - soldiers could be seen wearing modern combat jackets made of synthetic fibre with other articles of uniform made of leather.

When the Time Lords sent him and his companions Sarah Jane and Harry to Skaro to avert the creation of the Daleks, the Fourth Doctor speculated the Kaleds and the Thals had been fighting for so long that when the war had begun they had both started out with the most modern equipment, but as the centuries passed they lost the resources and had to make do with what they had. Indeed, General Ravon, one of the commanders of the Kaled army, harshly reminded one of his underlings ammunition was valuable and could not be wasted.

In the long-range, as well as the biological and nuclear weapons already mentioned, both sides used chemical rockets. Towards the end of the war, the Thals intended to use a neutronic missile against the Kaleds. (TV: Genesis of the Daleks)

On the battlefield, mutant Handmines were used. Kanzo was pulled underground by one, while a boy Davros, having been lost on the battlefield of the War, was surrounded by them. At that point, both laser-firing biplanes and bows were used on the battlefield. (TV: The Magician's Apprentice) After an encounter with a future version of Davros, the Twelfth Doctor rescued Davros from the battlefield in order to teach him the concept of mercy. (TV: The Witch's Familiar)

Extermination of the Kaleds
Foreseeing that the only way forward for his kind was to accelerate their evolutions into the machine Daleks, Davros gave the Thals information to allow them to breach the Kaled Dome, causing massive casualties amongst Davros' own people. This provided a rationale for the Kaleds in turn to set the newly created Daleks against the Thals. At last, a Thal rocket destroyed the Kaled Dome. Thals, led by Bettan and Mutos, led by Sevrin, joined to fight against the Daleks emerging from the ruined Kaled city. The Daleks were forced back into Davros's bunker and imprisoned there for "a thousand years" by the Fourth Doctor, although their leader and oldest member vowed they would one day reemerge. (TV: Genesis of the Daleks)

Detonation of the neutron bomb
The surviving Thals saw no difference between these new machine-Daleks holed up in their ruined city and their ancient enemies, and massed forces to continue the War. Learning of this danger, the Daleks detonated a neutron bomb which instantly wiped out nearly all life on the planet Skaro, and left it so irradiated the Daleks remained confined in their city for fear of succumbing to radiation poisoning themselves. (PROSE:  The Astounding Untold History of the Greatest Enemies of the Universe)

According to a dissenting account, there never was an actual Thousand-Year War: before either side could genuinely begin fighting, a freak meteor shower had hit the factory in which the humanoid Daleks had created the neutron bomb. Detonating in the heart of the Dalek capital, the neutron bomb annihilated most life on Skaro in a single day, leaving the humanoid Daleks more or less extinct, the Thals as a scrambling band of survivors without access to higher technologies, and a new race of mutated Daleks alive on Skaro's surface to settle inside Yarvelling's War Machines, repurposed as casings. (COMIC: Genesis of Evil) According to the Thal Alydon, five hundred years later, Skaro, which Alydon described as "a great world, full of ideas and art and invention", had been destroyed in one day. (TV: "The Expedition")

Legacy
Beyond the existence of the Daleks and near-destruction of Skaro as an inhabitable world, (TV: Genesis of the Daleks, The Daleks) the War also had a much more mundane aftereffect, namely the publication of the popular Earth science fiction novel World War Skaro by the Doctor's former companion Sarah Jane Smith, (PROSE: The Roving Reporter) as, being a time-traveller, she had been privileged to witness the near-end of the Thousand Year War with the Doctor. (TV: Genesis of the Daleks)

Alternate timeline
In an alternate timeline, the war, known as the Neutron War, was caused accidentally. Though the Daleks still developed, in this timeline they became peace-loving academics. Skaro was the universal centre of civilisation, philosophy, democracy and art, visited from all over the universe. (PROSE: The Ripple Effect)

Dating

 * The Discontinuity Guide puts the neutronic war as being the same as the Thousand Year War, which ended no later than the 19th century.
 * According to the non-narrative reference book Doctor Who: The Dalek Handbook, the war lasted from 450 AD to 1450 AD.
 * According to the second and third editions of AHistory, the war lasted from 240 BC to 760 AD, and was a separate conflict from the neutronic war, which was fought in 1763.

The Discontinuity Guide
The Discontinuity Guide claims that the Thousand Year War and the neutronic war were one and the same. In the timeline before the Fourth Doctor interfered with the Daleks' creation, Davros saw to the slaughter of the majority of the Kaleds, though some remained following his death at the hands of the Daleks he had created and were contemptuously referred to by the Thals as "Dalek people" or Dals. Ultimately, the war ended when the Thals exploded a single neutron bomb, causing destruction so great that the Thals themselves were affected by the radiation, committing themselves to pacifism as a result. A group of advanced Daleks survived the explosion by leaving the planet in a hastily constructed spacecraft whilst more primitive Daleks, early products of Davros' experimental program, remained on Skaro before they were destroyed in a failed attempt to wipe out the Thals 500 years later.

Genius or Madman
Davros: Genius or Madman, a feature in Terry Nation's Dalek Annual 1978, released between Genesis of the Daleks and Destiny of the Daleks, gave a history of the war between the Thals and the Kaleds.

In the last part of the third millennium (second galaxy calendar), the Thals and the Kaleds dominated Skaro. For centuries, an uneasy peace had existed between the two peoples who lived under and believed in totally opposed political systems. Both sides maintained huge standing armies and invested massively in weapons development. Inevitably, the clash of ideologies came to a head when Thal troops installed rocket launching silos on what had been considered neutral territory. The Kaled Ambassador delivered an ultimatum to the Thal government, warning that if the rocket bases were not dismantled in fourteen days, a state of war would exist between the two countries. The deadline came and the bases were still in position and so the Kaled chief minister gave his order to the military high command. On the first day of the fourth millennium, also the day on which Davros was born, the Kaleds launched an all-out attack on the Thals and within an hour the Thals struck back in reprisal, starting a war which was to last for seven hundred years.

Throughout his childhood, Davros knew only the hardship and deprivation of war as he grew up in the deep shelters that gave some protection from the constant air attacks. When he was only five years old, his father was killed leading an attack against the Thals. A year later, his mother died in a rocket raid. An embittered child, Davros nursed a violent hatred of the Thals and looked forward to the time when he could join the war effort. With an inventive and adaptable mind, Davros showed a remarkable aptitude for science at school. At age fourteen, Davros passed the test that qualfied him as an entrant to the Secret Weapons Research Establishment, the youngest candidate ever accepted. Davros demonstrated an easy grasp of the most complex scientific subjects which overwhelmed his fellow scientists, becoming solely responsible for a number of highly sophisticated developments in Kaled weaponry.

Almost sixteen, the age at which he would be allowed to join the Kaled army, Davros' long-held ambition was shattered when a laboratory accident caused an explosion that crippled both his legs. After months of painful surgery, Davros was informed by his doctors that he would never walk again. Recovering from the operations in his hospital bed, Davros designed a special type of wheelchair that would give him complete mobility. With the aid of Kaled engineers the chair was built and he returned to work at the Establishment, continuing to invent weapons each more deadly than the last. Davros' success won him greater political power and prestige and before long he was appointed head of all research. Soon after, he established the Corps Elite, an entirely autonomous military and scientific body. Davros' growing power became a source of fear for even leading government ministers.

As the years went by and the war dragged on, Davros resented the hours he wasted in sleeping and developed a circuit that fed impulses into his brain, allowing him to do without sleep altogether. As he grew older, Davros came to despise the weaknesses of his own body and so devised mechanical and electronic substitutes to replace his failing organs. While others of his generation reached the end of their natural life span, Davros lived on, now almost more machine than man. Realising that the continued use of nuclear weapons in the war would result in the destruction of the Kaled race, Davros worked to develop a travel machine that could house the mutant creature the Kaled would ultimately become, based on his own life support system. Experimenting with genetic changes, Davros sought to eliminate conscience from the mind and creature that was totally ruthless with no pity. As he envisioned, this super-being would not only destroy the Thals, but go on to conquer the universe, with himself as their leader.

Davros gave his research a code name, Dalek made up from the letters of his race. Finally, at over one thousand years older, Davros perfected the Daleks only to be seemingly destroyed by them. His dream of universal domination living on through them, Davros was perpetuated in the savage, conscienceless machines as they terrified the galaxies. Davros' body was buried somewhere beneath the millions of tons of rubble caved in from the roof of his workships. A legend told in space claimed that Davros built into his life support system a device that would keep him in suspended animation; were he ever recovered, he could be brought to full life and the universe would be faced with a power for evil such as has never been known.

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