Task: Sentence Expansion
Input (English): The second Serbian uprising in 1815 was led by Milos ̌ Obrenovic ́ who successfully repelled the Turkish forces and , by 1830 , Serbia had gained its full autonomy .
Output (English): The Second Serbian Uprising in 1815 was led by Milos ̌ Obrenovic ́ who successfully repelled Ottoman forces and , by 1830 , gained full autonomy for Serbia , leading to the independence of central Serbia after several centuries under Ottoman rule .