 Kọ itẹsiwaju fun paragirafi yii - Lakoko Ogun Agbaye akọkọ 19141918 Montenegro darapọ mọ ara rẹ pẹlu Triple Entente, ni ila pẹlu eto imulo pro-Serbian ti King Nicholas. Nítorí náà, Austria-Hungary gba : Montenegro lati 15 January 1916 si Oṣu Kẹwa ọdun 1918. 