title: Petar II Petrović-Njegoš
context: Despite being Montenegro's ruler for more than twenty years, Njegoš is best known for his literary output.[73] His writings drew on Serb folklore, lyric poetry and biblical stories. He began writing poetry at the age of seventeen, and his literary opus includes Glas kamenštaka (The Voice of a Stone-Cutter; 1833), Lijek jarosti turske (The Cure for Turkish Fury; 1834), Ogledalo srpsko (The Serbian Mirror; 1835), Luča mikrokozma (The Ray of the Microcosm; 1845), Gorski vijenac (The Mountain Wreath; 1847), Lažni car Šćepan mali (The False Tsar Stephen the Little; 1851) and, posthumously, Slobodijada (The Freedom Song; 1854).[74] His most famous works are Luča mikrokozma, Gorski vijenac and Lažni car Šćepan mali, all epic poems.[75]
question: What was the first thing did Petar II Petrović-Njegoš published?
answers: The Mountain Wreath