In 1449, they revolted for the first time, demanding higher wages, which they obtained. The stage was set for a decadent evolution, like that of the Streltsy of Tsar Peter's Russia or that of the Praetorian Guard which proved the greatest threat to Roman emperors, rather than effective protection. After 1451, every new Sultan felt obligated to pay each Janissary a reward and raise his pay rank (although since early Ottoman times, every other member of the Topkapi court received a pay raise as well). Sultan Selim II gave Janissaries permission to marry in 1566, undermining the exclusivity of loyalty to the dynasty. By 1622, the Janissaries were a "serious threat" to the stability of the Empire. Through their "greed and indiscipline", they were now a law unto themselves and, against modern European armies, ineffective on the battlefield as a fighting force. In 1622, the teenage Sultan Osman II, after a defeat during war against Poland, determined to curb Janissaries' excesses. Outraged at becoming "subject to his own slaves", he tried to disband the Janissary corps, blaming it for the disaster during the Polish war. In the spring, hearing rumours that the Sultan was preparing to move against them, the Janissaries revolted and took the Sultan captive, imprisoning him in the notorious Seven Towers: he was murdered shortly afterward.
In 1449 they revolted for the first time demanding higher wages which they obtained The stage was set for a decadent evolution like that of the Streltsy of Tsar Peter's Russia or that of the Praetorian Guard which proved the greatest threat to Roman emperors rather than effective protection After 1451 every new Sultan felt obligated to pay each Janissary a reward and raise his pay rank (although since early Ottoman times every other member of the Topkapi court received a pay raise as well) Sultan Selim II gave Janissaries permission to marry in 1566 undermining the exclusivity of loyalty to the dynasty By 1622 the Janissaries were a "serious threat" to the stability of the Empire Through their "greed and indiscipline" they were now a law unto themselves and against modern European armies ineffective on the battlefield as a fighting force In 1622 the teenage Sultan Osman II after a defeat during war against Poland determined to curb Janissaries' excesses Outraged at becoming "subject to his own slaves" he tried to disband the Janissary corps blaming it for the disaster during the Polish war In the spring hearing rumours that the Sultan was preparing to move against them the Janissaries revolted and took the Sultan captive imprisoning him in the notorious Seven Towers he was murdered shortly afterward