to throw off the tutelage of Theoktistos and his mother, the Empress-dowager Theodora, and on 20 November 855, Theoktistos was assassinated by Bardas and...

the logothete and eunuch Theoktistos. Most of her advisors were, like her, iconophiles, though some (including Theoktistos) had been iconoclasts up until...

the throne. In 813, Theoktistos was a member of the group of officials which successfully advocated a war with Bulgaria. Theoktistos accompanied the army...

Theoktistos Bryennios (Greek: Θεόκτιστος Βρυέννιος, fl. c. 842) was a Greek nobleman and a Byzantine general who quelled a Slavic rebellion in the Peloponnese...

sidelined after Theophilos's death by Theodora and Theoktistos, in 855 he engineered Theoktistos's murder and became the de facto regent for his nephew...

regency headed by his mother Theodora, her uncle Sergios, and the minister Theoktistos. The empress had iconodule sympathies and deposed Patriarch John VII...

held by the regent Theoktistos. In 855, Petronas and Bardas encouraged Michael III to seize control of the government: Theoktistos was murdered, Theodora...

led by Theoktistos in person, made initial gains, but ultimately ended in disaster. After scoring a victory over the Arabs in Crete, Theoktistos learned...

launched a campaign that took most of the island back in 842 and 843 under Theoktistos. Further Byzantine campaigns in 911 and 949 failed. In 960–61, Nikephoros...

will display the full calendar) of the Julian calendar. November 20 – Theoktistos, co-regent of the Empire on behalf of 15-year old Emperor Michael III...