1326 - 1389
Osman's son, Orhan, rules
after his father's death.
He gains control of Thrace in 1345.
His son Murad I rules next.
He sets up the system to train
ex-slaves into elite soldiers
known as Janissaries.
He dies in the battlefield while defeating the Serbians. (1 janv. 1326 – 13 nov 1362)