Petar II Petrović-Njegoš (1813–1851), commonly referred to simply as Njegoš, was a Prince-Bishop of Montenegro, poet and philosopher. He is well known for his epic poem Gorski vijenac (The Mountain Wreath), which is considered a masterpiece of South Slavic literature, and the national epic of Montenegro, Serbia and former Yugoslavia. Njegoš was twice declared Yugoslavia's national poet, by the royal government in the 1920s and by the communist authorities following the Second World War.