| Regatul României Kingdom of Romania | |
| 1881 – | |
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| Anthem Trăiască Regele | |
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| Capital | Bucharest |
| Official language | Romanian |
| Government | Constitutional monarchy |
| Head of state - 1881-1914 - 1914-1927 - 1927-1930 - 1930- |
King Carol I Ferdinand I Michael I Carol II |
| Legislature - Upper house - Lower house |
Legislature Parlamentul Senatul Adunarea Deputaţilor |
| Historical era - Kingdom established - Territorial expansion - Loss of Territory -Joins the Axis Powers -Greater Anti-Comintern Pact |
October 28, 1918 December 1, 1918 August 30, 1940 November 23, 1940 November 25, 1942 |
| Currency | Romanian Leu |
Romania, officially the Kingdom of Romania (Romanian: România, Regatul României) was a sovereign state in South-East Central Europe. From 1859 to 1877, Romania evolved from a personal union of two vassal principalities (Moldavia and Wallachia) under a single prince to a full-fledged independent kingdom with a Hohenzollern monarchy. In 1918, at the end of World War I, Transylvania, Eastern Moldavia (Bessarabia), and Bukovina united with the Kingdom of Romania, resulting in a "Greater Romania".
It fought on the Axis side, claiming the Russian territories of Bukovina, and the Russian port of Odessa