Konstantinos Porphyrogennetos, the fourth emperor of the Macedonian dynasty of the Byzantine Empire in the 9th century AD, referred to Asia Minor as East thema, " ανατολικόν θέμα " ( from the Greek words anatoli: east, thema: administrative division ), placing this region to the East of Byzantium, while Europe was lying to the West.

* 1261 – Michael VIII Palaiologos is crowned Byzantine emperor in Constantinople.

The Byzantine emperor Basil II narrowly escaped.

Carved in high relief from a single piece of agate, this extraordinary vase was most likely created in an imperial workshop for a Byzantine emperor.

* Alexander ( emperor ), Byzantine Emperor ( 912 – 913 )

Alexios I Komnenos, Latinized as Alexius I Comnenus (, 1056 – 15 August 1118 — note that some sources list his date of birth as 1048 ), was Byzantine emperor from 1081 to 1118, and although he was not the founder of the Komnenian dynasty, it was during his reign that the Komnenos family came to full power.

The crusader siege of Nicaea forced the city to surrender to the emperor in 1097, and the subsequent crusader victory at Dorylaion allowed the Byzantine forces to recover much of western Asia Minor.

* Raictor, a Byzantine monk who claimed to be the emperor Michael VII.

Alexios ' policy of integration of the nobility bore the fruit of continuity: every Byzantine emperor who reigned after Alexios I Komnenos was related to him by either descent or marriage.

Alexios II Komnenos or Alexius II Comnenus () ( 10 September 1169 – 24 September 1183, Constantinople ), Byzantine emperor ( 1180 – 1183 ), was the son of Emperor Manuel I Komnenos and Maria, daughter of Raymond, prince of Antioch.

* Anastasius I ( emperor ) ( 430 – 518 ), Roman ( Byzantine ) Emperor from 491 to 518

* Anastasius I ( emperor ) – Byzantine emperor 491 – 518

* Anastasios II ( died 718 ) – Byzantine emperor 713 – 715

Andronikos III Palaiologos, Latinized as Andronicus III Palaeologus (; 25 March 1297 – 15 June 1341 ) was Byzantine emperor from 1328 to 1341, after being rival emperor since 1321.

Andronikos II Palaiologos () ( 25 March 1259 – 13 February 1332 ), Latinized as Andronicus II Palaeologus, was Byzantine emperor from 1282 to 1328.

After his return to Jerusalem in 1167, Amalric married Maria Comnena, a great-grandniece of Byzantine emperor Manuel I Comnenus.

* Alexius I Comnenus ( 1048-1118 ), Byzantine emperor

* Alexius II Comnenus ( 1167-1183 ), Byzantine emperor

* Alexius III, Byzantine emperor

* Alexius IV, Byzantine emperor

* Alexius V, Byzantine emperor

* 1081 – Alexios I Komnenos is crowned Byzantine emperor at Constantinople, bringing the Komnenian dynasty to full power.

The regnal year of the emperor was also used to identify years, especially in the Byzantine Empire after 537 when Justinian required its use.

* 627 – Battle of Nineveh: A Byzantine army under Emperor Heraclius defeats Emperor Khosrau II's Persian forces, commanded by General Rhahzadh.

The Byzantine Emperor, Heraclius, promised to restore Jewish rights and received Jewish help in defeating the Persians, but he soon reneged on the agreement after reconquering Palestine by issuing an edict banning Judaism from the Byzantine Empire.

Heraclius (,, c. 575 – February 11, 641 ) was Byzantine Emperor from 610 to 641.

Serving their partner in wars against the Abbasid Caliphate, Khazars aided the Byzantine emperor Heraclius ( reigned 610 – 641 ) by sending an army of 40, 000 soldiers in their campaign against the Persians in the Byzantine – Sassanid War of 602 – 628.

When the Byzantine or Eastern Roman emperor Heraclius ejected the Persians in 630 AD, he expelled the city's Jews.

* 610 – Heraclius arrives by ship from Africa at Constantinople, overthrows Byzantine Emperor Phocas and becomes Emperor.

* 610 – Coronation of Byzantine Emperor Heraclius.

He supported a formula proposed by the Byzantine Emperor Heraclius with the design of bringing about a reconciliation between Monothelites and the rest of the Catholic Church.

* Τhe Byzantine Emperor Heraclius campaigns to Cappadocia and defeats the Sassanid army.

* Croats and Serbs settle in the Balkans, having been invited by the Byzantine emperor Heraclius.

* Byzantine Empire: August – Justinian II and his ally, the Bulgar khan Tervel, by-pass the Byzantine forces under Heraclius awaiting them and reach Constantinople.

* Byzantine Empire: The Byzantine general Heraclius defeats and destroys an Umayyad army at Sisium.

* February 11 – Byzantine Emperor Heraclius dies.

* February 11 – Heraclius, Byzantine emperor

* Eudoxia Epiphania, the only daughter of the Byzantine Emperor Heraclius and his first wife Eudokia.

* May 3 – Heraclius Constantine, first son of Byzantine Emperor Heraclius, and himself a future Emperor

* Autumn – winter – The Byzantine general Heraclius, brother of Tiberius III, launches a campaign into Syria, defeats an army from Antioch and raids as far as Samosata.

In 635, Kubrat signed a peace treaty with emperor Heraclius of the Byzantine Empire, expanding the Bulgar kingdom further into the Balkans.

Some prominent Byzantine aristocrats came to meet Heraclius, and he arranged to be crowned and acclaimed as Emperor.