The analytical engine was a self-reprogramming machine invented by Charles Babbage.
After developing his difference engine, he abandoned it before completing the machine. He decided to work on a more advanced version, the analytical engine.
In 1834, the Star Chamber approached him to build it for them with their funding. They wanted to use it to invade the Eleven-Day Empire. The one that Babbage created became known as the Clockwork Ouroboros. (PROSE: The Book of the War)