 Complete the following phrase:  Several minor, unsuccessful and short-lived revolts were conducted against Ottoman rule mostly with the help of the Habsburgs; 1594, 16881691, 17181739 and 1788. In 1799, the dahia janissary leaders, high-status infantry in the provinces took over the Sanjak of Smederevo, renouncing the Sultan and imposing higher taxes. In 1804, they murdered the most notable intellectuals and nobles, known as the Slaughter of the Dukes. In retaliation, the Serbs took arms and had by 1806 killed or driven out all of the dahia, but the fight did not stop; when the Sultan were to send the new Pasha into the province, the Serbs killed him. The revolt continued, in what would be known as the 