King of Romania
Overview
 
King of the Romanians (in Romanian: Regele Românilor), rather than King of Romania (in Romanian: Regele României), was the official title of the ruler of the Kingdom of Romania
Kingdom of Romania
The Kingdom of Romania was the Romanian state based on a form of parliamentary monarchy between 13 March 1881 and 30 December 1947, specified by the first three Constitutions of Romania...

 from 1881 until 1947, when Romania
Romania
Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

 was proclaimed a republic
Republic
A republic is a form of government in which the people, or some significant portion of them, have supreme control over the government and where offices of state are elected or chosen by elected people. In modern times, a common simplified definition of a republic is a government where the head of...

.

The state had been called the Principality
Principality
A principality is a monarchical feudatory or sovereign state, ruled or reigned over by a monarch with the title of prince or princess, or by a monarch with another title within the generic use of the term prince....

 of Romania (in French "Roumanie") since 1862, after the Ottoman
Ottoman Empire
The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

 vassal state
Vassal state
A vassal state is any state that is subordinate to another. The vassal in these cases is the ruler, rather than the state itself. Being a vassal most commonly implies providing military assistance to the dominant state when requested to do so; it sometimes implies paying tribute, but a state which...

s of Wallachia
Wallachia
Wallachia or Walachia is a historical and geographical region of Romania. It is situated north of the Danube and south of the Southern Carpathians...

 and Moldavia
Moldavia
Moldavia is a geographic and historical region and former principality in Eastern Europe, corresponding to the territory between the Eastern Carpathians and the Dniester river...

 had been united in 1859 under Alexander John Cuza
Alexander John Cuza
Alexander John Cuza was a Moldavian-born Romanian politician who ruled as the first Domnitor of the United Principalities of Moldavia and Wallachia between 1859 and 1866.-Early life:...

 (Alexandru Ioan Cuza) as Prince of Romania, or Domnitor
Domnitor
Domnitor was the official title of the ruler of the United Principalities of Wallachia and Moldavia between 1859 and 1866....

.
 
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