Romanos IV Diogenes

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Romanos IV Diogenes ruled the Byzantine Empire from 1068 to 1071 CE. He was a military emperor, and his policies and campaigns served to shore up Byzantine defenses against the Seljuk Turks. However, in the aftermath of the Byzantine defeat at the Battle of Manzikert in 1071 CE, the civil war that emerged between the treacherous Doukas family and Romanos distracted and greatly weakened the Byzantine army and allowed the Turks to invade and conquer the key Byzantine territory of Anatolia.

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