The darkest period in human history, the War of the Cog Lords saw mankind fall from its mastery of the stars. Due to the events of the war itself and the subsequent Unending Winter, the fine details of the war are lost to the people of Elun, but the general facts still survive through Elun's rich oral histories. For the purposes of brevity and maximum accuracy, this article will mainly cover facts corroborated by multiple stories from independent origins, but conflicting details will be covered should they provide possible insight into disputed parts of history.
The War of the Cog Lords was initiated by the Grand Cogitator, a malevolent machine intelligence that sought to replace the minds of men with more copies of itself. Why it did this is unclear, although the Grand Cogitator's motivations are attributed to unreasoning malice. While it is agreed that the Grand Cogitator was a machine, what the Grand Cogitator was beyond this is disputed. The Atlenian traditions say it was the