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Hace 1 día · Poland–Lithuania, formally known as the Kingdom of Poland and the Grand Duchy of Lithuania [a] and also referred to as the Polish–Lithuanian Commonwealth [b] was a bi- confederal [10] state, sometimes called a federation, [11] of Poland and Lithuania ruled by a common monarch in real union, who was both King of Poland and Grand Duke of ...
Hace 1 día · Luxembourg is a representative democracy headed by a constitutional monarch, Grand Duke Henri, making it the world's only remaining sovereign grand duchy . Luxembourg is a developed country with an advanced economy and one of the world's highest GDP (PPP) per capita as per IMF and World Bank estimates.
