Answer
Nikola Pašić was sentenced to death by the Austrians in 1883 for his role in the Timok Rebellion. The Timok Rebellion was a peasant uprising against the rule of Prince Milan Obrenović. The rebellion was sparked by the government's decision to raise taxes and conscription rates. Pašić was a leading figure in the rebellion, and he was captured and sentenced to death by the Austrians.