Heraclius' campaign of 622, erroneously also known as the Battle of Issus, was a major campaign in the Byzantine–Sassanid War of 602–628 by emperor

Heraclius Heraclius ( grc-gre, Ἡράκλειος, Hērákleios; c. 575 – 11 February 641), was List of Byzantine emperors, Eastern Roman emperor from 610 to 641. His rise to power began in 608, when he and his father, Heraclius the Elder, the Exa ...

that culminated in a crushing Byzantine victory in

Anatolia Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...

. In 622, the

Byzantine emperor This is a list of the Byzantine emperors from the foundation of Constantinople in 330 AD, which marks the conventional start of the Eastern Roman Empire, to its fall to the Ottoman Empire in 1453 AD. Only the emperors who were recognized as le ...

, was ready to mount a counter-offensive against the

Sassanid Persia The Sasanian () or Sassanid Empire, officially known as the Empire of Iranians (, ) and also referred to by historians as the Neo-Persian Empire, was the last Iranian empire before the early Muslim conquests of the 7th-8th centuries AD. Named ...

ns who had overrun most of the eastern provinces of the

Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

. He left

Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...

the day after celebrating

Easter Easter,Traditional names for the feast in English are "Easter Day", as in the '' Book of Common Prayer''; "Easter Sunday", used by James Ussher''The Whole Works of the Most Rev. James Ussher, Volume 4'') and Samuel Pepys''The Diary of Samuel ...

on Sunday, 4 April 622. His young son,

Heraclius Constantine Heraclius Constantine ( la, Heraclius novus Constantinus; grc-gre, Ἡράκλειος Κωνσταντῖνος, Herakleios Konstantinos; 3 May 612 – 25 May 641), often enumerated as Constantine III, was one of the shortest reigning Byzantine ...

, was left behind as regent under the charge of Patriarch Sergius and the patrician

Bonus Bonus commonly means: * Bonus, a Commonwealth term for a distribution of profits to a with-profits insurance policy * Bonus payment, an extra payment received as a reward for doing one's job well or as an incentive Bonus may also refer to: Place ...

. In order to threaten both the Persian forces in Anatolia and

Syria Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...

, his first move was to sail from Constantinople to

Pylae Yalova is a market-gardening town located in northwestern Turkey on the eastern coast of the Sea of Marmara. The town has a population of 156,838, while the population of the surrounding Yalova Province is 291,001 . A largely modern town, it is ...

Bithynia Bithynia (; Koine Greek: , ''Bithynía'') was an ancient region, kingdom and Roman province in the northwest of Asia Minor (present-day Turkey), adjoining the Sea of Marmara, the Bosporus, and the Black Sea. It bordered Mysia to the southwest, Pa ...

(not in

Cilicia Cilicia (); el, Κιλικία, ''Kilikía''; Middle Persian: ''klkyʾy'' (''Klikiyā''); Parthian: ''kylkyʾ'' (''Kilikiyā''); tr, Kilikya). is a geographical region in southern Anatolia in Turkey, extending inland from the northeastern coa ...

). He spent the summer training so as to improve the skills of his men and his own generalship. In the autumn, Heraclius threatened the Persian communications to Anatolia from the

Euphrates The Euphrates () is the longest and one of the most historically important rivers of Western Asia. Tigris–Euphrates river system, Together with the Tigris, it is one of the two defining rivers of Mesopotamia ( ''the land between the rivers'') ...

valley by marching to northern

Cappadocia Cappadocia or Capadocia (; tr, Kapadokya), is a historical region in Central Anatolia, Turkey. It largely is in the provinces Nevşehir, Kayseri, Aksaray, Kırşehir, Sivas and Niğde. According to Herodotus, in the time of the Ionian Revo ...

. This forced the Persian forces in Anatolia under Shahrbaraz to retreat from the front-lines of Bithynia and

Galatia Galatia (; grc, Γαλατία, ''Galatía'', "Gaul") was an ancient area in the highlands of central Anatolia, roughly corresponding to the provinces of Ankara and Eskişehir, in modern Turkey. Galatia was named after the Gauls from Thrace (c ...

to eastern Anatolia in order to block his access to Persia. What followed next is not entirely clear, but Heraclius certainly won a crushing victory over

Shahrbaraz Shahrbaraz (also spelled Shahrvaraz or Shahrwaraz; New Persian: ), was shah (king) of the Sasanian Empire from 27 April 630 to 9 June 630. He usurped the throne from Ardashir III, and was killed by Iranian nobles after forty days. Before usurpi ...

somewhere in Cappadocia. The key factor was Heraclius' discovery of hidden Persian forces in ambush and responding to this ambush by feigning retreat during the battle. The Persians left their cover to chase the Byzantines, whereupon Heraclius' elite ''

Optimatoi The ''Optimatoi'' ( gr, Ὀπτιμάτοι, from la, Optimates, "the Best Men") were initially formed as an elite Byzantine military unit. In the mid-8th century, however, they were downgraded to a supply and logistics corps and assigned a provi ...

'' assaulted the chasing Persians, causing them to flee. Thus, he saved Anatolia from the Persians. However, Heraclius had to return to Constantinople to deal with the threat posed to his Balkan domains by the Avars, and left his army to winter in

Pontus Pontus or Pontos may refer to: * Short Latin name for the Pontus Euxinus, the Greek name for the Black Sea (aka the Euxine sea) * Pontus (mythology), a sea god in Greek mythology * Pontus (region), on the southern coast of the Black Sea, in modern ...

References

Bibliography

* * {{DEFAULTSORT:Issus 622 620s conflicts Battles of the Byzantine–Sasanian War of 602–628 Battles involving the Sasanian Empire Battles involving the Byzantine Empire 620s in the Byzantine Empire 622 620s in the Sasanian Empire 7th century in the Byzantine Empire Campaigns of the Byzantine Empire