The oppression imposed by the Turks on the Serbs led to the organization of an uprising in Serbia under the leadership of Đorđe Petrović 2. February 1804. On Karađođ’s letter, Pope Luka Lazarevic gathers the insurgents in mid-February and begins the siege of Šabac. After the defeat of the Turks at Beljin and Svileuva, they take refuge in the Šabac fortress.
After several unsuccessful attempts to conquer the Šabac fortress on April 17, 1804. the commander of the fortress surrenders and surrenders Šabac to the Serbs. Most of Macvan continues to fight in the siege of Belgrade, Požarevac, Smederevo and others. During 1805 Macva was relatively peaceful with minor fighting at the end of the year around Šabac…