when osman bey knows that the seljuk empire is going to there end He is start try to making his own epmire to save all the muslims and the turks are living in the anatolia he starts fighting when the baztine epmire and with there governers and end of the seljuk the seljuk sultan helps osman bey with some armed force and with some important document to make a new turk empire which really helps osman bey after the end of seljuk empire in 1299 osman bey start new turk empire which is named by slatant osmaniya