Diarchic Kingdom of Sunteria
The Diarchic Kingdom of Sunteria was the Sunterian government from Sunterian unification on 26 February 1820 (Sunterian calendar: 19 Snoiguia 2946) until Sunteria became a republic on 9 October 1932 (Sunterian calendar: 16 Huersmenia 3058).