promoting Montenegrin nationalism and opposing the union with Serbia, a position he maintained until his death in France in 1921. On 1 December 1918, Serbia and Montenegro together formed a major part of the new Kingdom of Serbs, Croats and Slovenes (Yugoslavia). During World War II, the occupying forces in Yugoslavia considered turning the Italian governorate of Montenegro into a puppet kingdom, but nothing came of these plans. Rulers King of Montenegro (1910–1918) Nicholas I of Montenegro (1910–1918) Prime Ministers (1910–1916) Lazar Tomanović (1910–1912) Mitar Martinović (1912–1913) Janko Vukotić (1913–1915) Milo Matanović (1915–1916) Lazar Mijušković (1916) Prime Ministers in-exile (1916–1922) Lazar Mijušković (1916) Andrija Radović (1916–1917) Milo Matanović (1917) Evgenije Popović (1917–1919) Jovan Plamenac (1919–1921) Anto Gvozdenović (1921–1922) Milutin Vučinić (1922) Anto Gvozdenović (1922) Gallery See also History of Montenegro Principality of Montenegro References Further reading External links Kingdom of Montenegro in 1918 Montenegro – World Statesmen Montenegro, Kingdom of Montenegro Montenegro Montenegro Montenegro, Kingdom of 1910s establishments in Montenegro 1916 disestablishments in Europe 1918 disestablishments in Europe 1922 disestablishments in Europe States and territories established in 1910 States and territories disestablished in 1918 1910 establishments in Europe Montenegro