Original sentence: On the other hand, the defeat showed the Seljuks that the Byzantines were not invincible - they were not the unconquerable, millennium-old Roman Empire (as both the Byzantines and Seljuks still called it).The Battle of Manzikert occurred on August 26, 1071 between the Byzantine Empire and Seljuk Turkish forces led by Alp Arslan, resulting in the defeat of the Byzantine Empire and the capture of Emperor Romanus IV Diogenes.Within the next few decades almost all of Asia Minor was overrun by the Seljuks
Edited sentence: Kutalmishoghlu Süleyman, a member of the ruling Seljuk dynasty, took İznik (Nicea) in 1075 to establish his capital there, not far from the Byzantine capital which was the final objective.On the other hand, On the other hand, one can argue that, if an Emperor is lost to captivity and had to be bailed out, and Turkish horsemen had started roaming all over the Anatolian heartland in a few years, if that is not a disaster, what is.The Battle of Manzikert ('Malazgirt Savaşı' in Turkish) occurred on August 26, 1071 between the Byzantine Empire and Seljuk Turkish forces led by Alp Arslan, resulting in the defeat of the Byzantine Empire and the capture of Emperor Romanus IV Diogenes.The defeat also showed the Seljuks that the Byzantines were not invincible - they were not the unconquerable, millennium-old Roman Empire (as both the Byzantines and Seljuks still called it).Within the next decade almost all of Asia Minor was overrun by the Seljuks.İznik was ceded back to the Byzantines 20 years later at the occasion of the First Crusade, and the Turks momentarily retreated to Central Anatolia