Montenegrin–Ottoman War (1852–1853)
The Montenegrin–Ottoman War (1852–1853) (Serbian: Црногорско-турски рат, romanized: Crnogorsko-turski rat) broke out after Ottoman retaliation for the Montenegrin secret aid to Herzegovinian rebels. == Background == In 1852, Danilo, returning from the Russian Empire, proclaimed himself Prince of Montenegro and the Hills, thus elevating the status of his polity from a theocracy into a principality.
Source: Wikipedia — Montenegrin–Ottoman War (1852–1853) (CC BY-SA 4.0)