Romanus IV Diogenes (Graece Ῥωμανός Διογένης; natus circa annum 1030; mortuus anno 1072), fuit Imperator Byzantinus ab anno 1068 usque ad 1071. Imperatore Constantino X Duca anno 1067 mortuo, filioque huius Michaele Ducas imperare vel nolente vel impotente, Romanus die 1 Ianuarii 1068 imperium suscepit, regina Eudocia suadente. Die 26 Augusti 1071, in proelio apud Mantzicert a principe Selgiukida Alp Arslan captus est; imperio Michael successit.

Romanus et Eudocia a Iesu Christo coronati

Nexus externi

recensere
Imperatores Constantinopolitani

379–395 Theodosius I • 395–408 Arcadius • 408–450 Theodosius II • 450–457 Marcianus • 457–474 Leo I • 474 Leo II • 474–491 Zeno • 475-476 Flavius Basiliscus • 491–518 Anastasius I • 518–527 Iustinus I  • 527–565 Iustinianus I • 565–578 Iustinus II • 578–582 Flavius Tiberius Constantinus • 582–602 Mauricius • 602–610 Phocas • 610–641 Heraclius • 641 Constantinus III • 641 Heraclius II Heraclonas • 641–668 Constans II • 668–685 Constantinus IV • 685–695 Iustinianus II • 695–698 Leontius • 698–705 Tiberius III • 705–711 Iustinianus II • 711–713 Philippicus • 713–715 Anastasius II • 715–717 Theodosius III • 717–741 Leo III Isaurianus • 741–775 Constantinus V • 775–780 Leo IV • 780–797 Constantinus VI • 797–802 Irene • 802–811 Nicephorus I • 811 Stauracius • 811–813 Michael I Rhangabus • 813–820 Leo V Armenius • 820–829 Michael II • 829–842 Theophilus • 842–867 Michael III • 866–886 Basilius I Macedonius • 886–912 Leo VI Sapiens • 912–913 Alexander • 913–959 Constantinus VII Porphyrogenitus • 919–944 Romanus I Lacapenus • 959–963 Romanus II • 963–969 Nicephorus II Phocas • 969–976 Ioannes I Tzimisces • 976–1025 Basilius II Bulgaroctonus • 1025-28 Constantinus VIII • 1028-34 Romanus III Argyrus • 1034-41 Michael IV Paphlagon • 1041-42 Michael V • 1042 Zoë • 1042 Theodora • 1042-55 Constantinus IX Monomachus • 1055-56 Theodora • 1056–57 Michael VI Stratioticus • 1057–59 Isaacius I Comnenus • 1059–67 Constantinus X Ducas • 1067–78 Michael VII Ducas • 1068–71 Romanus IV Diogenes • 1078–81 Nicephorus III Botaniates • 1081–1118 Alexius I Comnenus • 1118–43 Ioannes II Comnenus • 1143–80 Manuel I Comnenus • 1180–83 Alexius II Comnenus • 1182–85 Andronicus I Comnenus • 1185–95 Isaacius II Angelus • 1195–1203 Alexius III Angelus • 1203–04 • Alexius IV Angelus • 1204 Alexius V Ducas • 1204–1222 Theodorus I Lascares • 1222–1254 Ioannes III Ducas Batatzes • 1254–1258 Theodorus II Ducas Lascares • 1258–1261 Ioannes IV Ducas Lascares • 1261–1282 Michael VIII Palaeologus • 1282–1328 Andronicus II Palaeologus • 1328–1341 Andronicus III Palaeologus • 1341–1347 Ioannes V Palaeologus • 1347–1354 Ioannes VI Cantacuzenus • 1355–1376 Ioannes V Palaeologus • 1376–1379 Andronicus IV Palaeologus • 1379–1391 Ioannes V Palaeologus • 1390 Ioannes VII Palaeologus • 1391–1425 Manuel II Palaeologus • 1425–1448 Ioannes VIII Palaeologus • 1448–1453 Constantinus XI Palaeologus