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Danilo II(Danilo Petrović-Njegoš), 1826–60, prince of MontenegroMontenegro
, Serbo-Croatian Crna Gora, officially Republic of Montenegro, republic (2011 pop. (2011 pop. 185,937), 5,332 sq mi (13,810 sq km), W Balkan Peninsula.
..... Click the link for more information. (1851–60). He secularized (1852) his principality (chiefly in order to be able to marry) and transferred his ecclesiastic functions to an archbishop. Danilo and his brother Mirko defeated the Ottomans at Ostrong (1853) and at Grahovo (1858). Assassinated by a Montenegrin exile, Danilo was succeeded by his nephew, Nicholas I.