Romanos IV Diogenes

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Romanos IV Diogenes
Emperor and Autocrat of the Romans
A silver miliaresion of Romanos IV Diogenes
Byzantine emperor
Reign	1 January 1068 – 1 October 1071
Predecessor	Constantine X Eudokia (regent)
Successor	Michael VII
Co-emperors	See list Michael VII Doukas Konstantios Doukas Andronikos Doukas Leo Diogenes Nikephoros Diogenes
Born	c. 1030 Cappadocia
Died	1072 (aged 42) Prote
Spouse	Anne Alusiane of Bulgaria Eudokia Makrembolitissa
Issue	By Anne: Constantine Diogenes By Eudocia: Nikephoros Diogenes Leo Diogenes
House	Diogenoi
Father	Constantine Diogenes
Mother	Argyrosa

Romanos IV Diogenes (Greek: Ῥωμανός Διογένης, romanized: Rōmanos Diogenēs; c. 1030 – c. 1072) was a Byzantine general and Akritai commander who, after his marriage to the dowager empress Eudokia Makrembolitissa, was crowned Byzantine emperor. He reigned from 1068 to 1071, during which time he was determined to halt the decline of the Byzantine military and to stop Turkish incursions into the Byzantine Empire. In 1071 he was captured and his army routed at the Battle of Manzikert by the forces of Alp Arslan.

Having been betrayed by members of the Doukas family, while still captive he was overthrown in a palace coup, and when released he was ultimately defeated and detained. In 1072, he was blinded and sent to a monastery, where he died of his wounds.