Second Polit Crusade

The Second Polit Crusade was the second Imperial campaign conducted by the Astral Serpents Space Marine Chapter in the vitally important Polit System. Following the invasion of the system by an unknown Alpha Legion Warband, over the course of several decades they took control over the entire system, lording over it's hapless Imperial citizens. Fortunately, the Polit System's salvation arrived in the form of the

History
In 164.M37, an Alpha Legion warband numbering in the hundreds entered the Polit Crusade and then over the course of a few decades they took over the entire system. Their takeover of the system could not be hidden forever, and in 230.M37, their heresy was discovered when a force was sent to investigate why the system had not sent a tithe in over forty years. There, the Administratum fleet discovered that the system had fallen and was being lorded over by the Chaos warband. The High Lords of Terra dispatched the Astral Serpents, Doom Heralds and numerous Astra Militarum regiments of the Azeran Sector, which descended upon the system, to purge the taint of the Dark Gods from their midst. In the course of only a few months the warband was utterly annihilated and the worlds they took over were purified of their former Chaos-corruption.