Fall of the Grey Orphans

The Fall of the Grey Orphans is one of the earliest recorded events that occurred in the history of the newly incepted Grey Orphans Space Marine Chapter.

Background
The origins of the chapter are shrouded in mystery, but extant reports show the Chapter began to first appear in official Imperial records only from 071.M37, onwards, when their flagship, the Vox Imperatoris, crashed on the desert planet Tarchon. What emerged were the remains of what was once the Chapter of the Gray Orphans: the 1st and 2nd Companies were completely annihilated, while the others suffered serious losses. In the meantime, the 10th Company was declared missing. Unable to leave the planet, the survivors decided to settle on the planet and rebuild the chapter. They established contacts with the primitive tribes of the planet, the natives, welcomed the Emperor's champions as gods and converted to the creed of the Imperium.

After purifying the planet from the plague of mutants, they created their fortress-monastery around the wreck of the Vox Imperatoris and began recruiting new Space Marines.