Cultural event
The dwarven cities are finally reconnected after most of the tunnels were destroyed during Starfall. Now reconnected the Clans fight over who, if anyone, should take the Mantle of King.
With no survivors from the capital city, the Dwarven clans waste much time arguing who should take up the throne. This argument would stall the reconstruction for 4 years, as multiple clan wars were waged over who could lead.