Siege of Tbilisi (627–628)

The Siege of Tbilisi (627-628) was a siege by the Byzantine Empire and Western Turkic Khaganate in 627-628 against Prince Stephen I of Iberia, the Sasanid vassal ruler of Sasanian Iberia.

Siege of Tbilisi
Part of Byzantine–Sassanid War of 602–628 and the Third Perso-Turkic War
Date627–628
Location
Result Byzantine-Turkic victory
Belligerents
Sasanian Iberia
Sasanian Empire
 Byzantine Empire
Western Turkic Khaganate
pro-Byzantine Iberians
Commanders and leaders
Stephen I of Iberia Executed
Shahraplakan
Byzantine Empire Heraclius
Böri Shad
Tong Yabghu Qaghan
Adarnase I
Strength
Unknown the number of Iberians
1,000 Sasanids
40,000 (Turks)

Background

During the siege of Constantinople, Heraclius formed an alliance with people Byzantine sources called the "Khazars", under Tong Yabghu Qaghan, now generally identified as the Western Turkic Khaganate of the Göktürks,[1] plying him with wondrous gifts and the promise of marriage to the porphyrogenita Eudoxia Epiphania. Earlier, in 568, the Turks under Istämi had turned to Byzantium when their relations with Iran soured over commerce issues.[2] Istämi sent an embassy led by the Sogdian diplomat Maniah directly to Constantinople, which arrived in 568 and offered not only silk as a gift to Justin II, but also proposed an alliance against Sasanian Iran. Justin II agreed and sent an embassy to the Turkic Khaganate, ensuring the direct Chinese silk trade desired by the Sogdians.[3][4]

In the East, in 625, the Turks took advantage of the Sasanian weakness to occupy Bactria and Afghanistan as far as the Indus, and establish the Yabghus of Tokharistan.[5] The Turks, based in the Caucasus, responded to the alliance by sending 40,000 of their men to ravage the Iranian Empire in 626, marking the start of the Third Perso-Turkic War.[6]

The continuing rivalry between the Byzantium and Sasanian Empires for supremacy in the Caucasus, and the unsuccessful insurrection (523) of the Georgians under Vakhtang I had severe consequences for the country. Thereafter, the king of Iberia had only nominal power, while the country was effectively ruled by the Persians. By the time of Vezhan Buzmihr's tenure as marzban of Iberia, the hagiographies of the period implied that the "kings" in Tbilisi had only the status of mamasakhlisi, which means "head of the (royal) house".[7] When Bakur III died in 580, the Sassanid government of Persia under Hormizd IV (578-590) seized on the opportunity to abolish the Iberian monarchy.[8] Iberia became a Persian province, administrated through its direct rule by appointed marzbans,[9][10] which in fact was, as Prof. Donald Rayfield states; "a de jure continuation of de facto abolition of Iberian kingship since the 520s".[7]

Siege

In 627, Heraclius met his allies near Tbilisi and began a joint Byzantine and Göktürk operations to besiege Tbilisi, where the Byzantines used trebuchets to breach the walls, one of the first known uses by the Byzantines.[11] In response, the Sassanian shah Khosrow II sent 1,000 cavalry under General Shahraplakan to reinforce the city.[12] The siege dragged on without much progress, punctuated by frequent sallies on the part of the besieged. After two months the Khazars retreated to the steppe, promising to return by the autumn.[13] Tong Yabghu left young Böri Shad, either his son or nephew, in charge of the remaining forty thousand which were to assist Heraclius during the siege. Before long these departed as well, leaving the Byzantines to continue the siege alone and prompting jeers from the besieged. In mid-September, whilst the siege proceeded, Heraclius marched south to secure his base in the upper Tigris.[14] On December 12, he defeated the Sasanids in the Battle of Nineveh and marched to Ctesiphon, but before reaching the capital, Khosrow II was killed by his son Kavad, and in April 628 he made a truce with Heraclius. The truce was divisive, as Heraclius allies continued the war in the Caucasus. In late 628, the allies captured Tbilisi,[15] sacked and looted it, and killed the Stephen I. Heraclius placed Adarnase on the throne of Iberia.[16][17]

Notes

  1. Kaegi 2003, p. 143.
  2. Khanam 2005, p. 782.
  3. Liu 2001, p. 168.
  4. Howard 2012, p. 133.
  5. Dani & Litvinsky 1996, pp. 370–375.
  6. Norwich 1997, p. 92.
  7. Rayfield 2013, p. 51.
  8. Suny 1994, p. 25.
  9. Yarshater 2001, p. 465.
  10. Mikaberidze 2015, p. 529.
  11. Dennis 1998, pp. 99–104.
  12. Kaegi 2003, p. 144.
  13. Kaghankatvatsi 1861, p. 108.
  14. Oman 1893, p. 211.
  15. Dodgeon, Greatrex & Lieu 2002, p. 212.
  16. V. Goiladze (1987). Georgian Soviet Encyclopedia. Vol. 11. p. 627.
  17. Essays on the history of Georgia, Vol. 2, vol., 1973

References

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