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In page Montenegro:

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The first Montenegrin constitution (also known as the Danilo Code) was proclaimed in 1855. Under Nicholas I (ruled 1860–1918), the principality was enlarged several times in the Montenegro-Turkish Wars and was recognised as independent in 1878. Nicholas I established diplomatic relations with the Ottoman Empire.[citation needed] Minor border skirmishes excepted, diplomacy ushered in about 30 years of peace between the two states until the deposition of Abdul Hamid II in 1909.[2]