Complex sentence: Turkish authorities have acknowledged this state and Miloš became a hereditary prince of Serbian Principality, which would last until 1882 when Serbian Kingdom was proclaimed after achieving full independence in 1878 (see Treaty of Berlin, 1878).
Split into simpler sentences: Turkish authorities have acknowledged this state and Miloš became a hereditary prince of Serbian Principality. The Principality would last until 1882 when Serbian Kingdom was proclaimed after achieving full independence in 1878 (see Treaty of Berlin, 1878).