The Danish Federation

the Danish Federation is a Union of States under an elective monarchy, ruled by the High King, who is elected from and by the individual monarchs of the countries that make up the realm: Denmark, Russia, Britain, Poland, and Mexico. It is widely regarded as the second most powerful superstate in the world, second to only the Han Dynasty of China. They are the vastest country in the world, covering more total land area than the Holy Roman Empire and the Byzantine Empire combined. However, it's total population is not as great as the Holy Roman Empire or the Han Dynasty.