Vujica was born in the village of Azanja, in Smederevska Palanka, then part of the Sanjak of Smederevo, an Ottoman province covering central Serbia.

[1] In December 1806, voivodes Vujica, Mladen Milovanović and Stanoje Glavas commanded an army of 18,000 soldiers to defend at the Battle of Deligrad.

[4] In 1812, threatened by Napoleon's French Empire, Russia had to quickly sign a peace treaty with the Ottomans.

After some time, Karađorđe emigrated to Bessarabia, where he joined the Greek national liberation movement Filiki Eteria, where he became an active member.

[5] On 25 July 1817, in the Radovanjski Lug forest, within reach of Velika Plana, Miloš Obrenović had Karađorđe killed, and although Vujica was his godfather, he helped in the arrangement and betrayed his godson.