The death of the last member of House Arianie, rendering the House extinct. This fundamentally changes the balance of power in the empire. It is decided that their Estate should be left independent and put under the direct control of the imperial government. The power of the government is extended to that end. This also marks the true emergence of the Light and Dark political alliance, with the Alyssennes putting themselves on the side of the ex-north, now the Light. Alyssennes and Lyriennes are still closely allied despite new political divisions. See Light and Dark.