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Was an Arabian kingdom in the Levant and client state of the Roman Empire. As the sources do not agree over its relation to the Eastern Roman Empire (it is described both as an allied and as a vassal, the polity is left as a Foederatus of the Roman Empire (but not of the Eastern Empire) after the division of the empire, in order to emphasize the relationship of the polity to Rome but making it de facto independent from 395 AD.
Establishment
January 251: Christian Arabs emigrated, in the year 250, from Yemen to the Hawran region in southern Syria and established the Ghassanid Kingdom.
Chronology
Interactive Chronologies with maps are available in the section Changes Navigation
Were a series of Wars between Rome (first the Roman Republic then the Roman Empire and finally the Eastern Roman Empire) and Persia (the Parthian Empire, and then its successor, the Sasanian Empire). The wars were ended by the early Muslim conquests, which led to the fall of the Sasanian Empire and huge territorial losses for the Byzantine Empire.
January 542: Sasanian general Cosroe digged a tunnel that allowed his army to reach under a tower of the Petra and set it on fire. With part of its defenses destroyed, the city surrendered to the Sasanians who entered triumphantly (541).
1.1.Lazic War
Was a war fought between the Eastern Roman Empire and the Sasanian Empire for control of the ancient Georgian region of Lazica.
January 552: The Byzantine commander Bessa put down a pro-Persian revolt by the Abasgoi tribe and took Petra.
1.2.Byzantine-Sasanian War of 572-591
Was a war fought between the Sasanian Empire of Persia and the Eastern Roman Empire. It was triggered by pro-Byzantine revolts in areas of the Caucasus under Persian hegemony.
January 574: In 573, the Sassanid forces led by Khosrow I launched a successful counter-attack against the Byzantine Empire, capturing the city of Dara after a four-month siege. Khosrow I was the ruler of the Sassanid Empire from 531 to 579.
April 591: Byzantine conquest of Dara.
1.3.Byzantine-Sasanian War of 602-628
Was the final and most devastating of the series of wars fought between the Roman Empire and the Sasanian Empire. The war was fought in Egypt, the Levant, Mesopotamia, the Caucasus, Anatolia, Armenia, the Aegean Sea and before the walls of Constantinople itself. After an initial phase of Sasanian conquest, the Byzantines were able to regain most of their territories. The war ended after a civil war broke out in Persia. After the war both Empires were so weakened that the Middle East and North Africa were soon conquered by the emerging Islamic Caliphate.
1.3.1.Persian dominance (Byzantine-Sasanian War of 602-628)
Were a series of Sasanian military campaigns that resulted in the conquest of large portions of the Byzantine Empire.
January 606: An army sent by Roman emperor Phocas against Sasanian Shah Khosrow was defeated near Dara in Upper Mesopotamia, leading to the capture of that important fortress in 605.
November 610: By the time of Heraclius' accession the Persians had conquered all Roman cities east of the Euphrates and in Armenia before moving on to Cappadocia, where their general Shahin took Caesarea.
January 614: In 613, the Roman forces, led by Emperor Heraclius, suffered a defeat against the Sasanian Empire at the Cilician Gates. This strategic pass was crucial for controlling access to the region north of Antioch.
June 614: The Sasanian Empire, under the rule of King Khosrow II, conquered Jerusalem after a brief siege in 614. This conquest led to the fall of the Byzantine Empire's control over the region and marked a significant shift in power in the area.
1.3.2.Byzantine Counterattack (Byzantine-Sasanian War of 602-628)
Were a series of military operations by the Byzantine Emperor Heraclius that resulted in the reconquest of most of the territories lost to the Sasanian Empire.
March 628: The Persian army rebelled and overthrew Khosrow II, installing his son Kavadh II as his successor. Immediately after ascending to the throne, Kavadh II initiated peace talks with Byzantine Emperor Heraclius. Under the terms of the resulting peace treaty, the Byzantines regained all their territories that had been lost, their captured soldiers, a war indemnity, and the religious relics that had been taken from Jerusalem.
Were the military campaigns by the first three Islamic Caliphates (the Caliphate of Muhammad, the Rashidun Caliphate and the Umayyad Caliphate) that led to the Islamic conquest of most of the Middle East as well as the Iberian Peninsula.
2.1.Establishment of Mohammed´s Caliphate
Was the establishment of the first Islamic Caliphate under the Prophet Mohammed.
January 633: When Mohammed died in 632, the entire Arabian Peninsula was under the control of his Caliphate.
2.2.Muslim conquest of the Levant
Was a 634-638 CE invasion of Byzantine Syria by the Rashidun Caliphate. .
2.2.1.Conquest of Syria
Conquest of Syria from the Byantines by the Rashidun Caliphate.
April 634: Arab commander ʿAmr b. al-ʿĀṣ conquers Elat.
June 634: Khalid was then immediately dispatched to the Syrian front. The leader moved from Hira, Iraq, at the beginning of June 634. After crossing the desert, Khalid's army arrived on the Syrian front at Tadmur (Palmyra), in central Syria, at the beginning of June.
July 634: Battles of Qaryatayn and Ḥuwwārīn.
September 634: The city of Damascus was besieged for 30 days by the Rashidun Caliphate in 634. It was conquered by the Muslim forces led by Khalid ibn al-Walid, a prominent military commander and companion of the Prophet Muhammad.
January 635: The Rashidun Caliphate needed six years to conquer the entire Arabian Peninsula (628-634).
2.2.2.Conquest of Northern Syria
Conquest of northern Syria from the Byzantines by the Rashidun Caliphate.
November 635: In 635, the military commander Khalid ibn al-Walid, leading the Rashidun Caliphate forces, conquered the territories of Shayzar, Afamiya, and Matar al-Hamz.
August 636: The Ghassanids remained a vassal state of the Byzantines until their rulers were overthrown by the Muslims in the conquest of Syria-Palestine, at the time of the second Caliph ʿUmar ibn al-Khaṭṭāb in the 7th century, which ended with the Islamic victory in the battle of the Yarmuk. It was in this battle that 12,000 Ghassanid Arabs were defeated by the Muslims of Khālid b. al-Walid.
January 301: The Lahmid Kingdom was an Arab kingdom of southern Iraq and East Arabia, with al-Hirah as its capital, from about 300 AD.
January 401: The Salīḥids were the dominant Arab foederati of the Byzantine Empire in the 5th century. They succeeded the Tanukhids, who were dominant in the 4th century.
January 501: They were in turn defeated and replaced by the Ghassanids in the early 6th century.
Disestablishment
August 636: The Ghassanids remained a vassal state of the Byzantines until their rulers were overthrown by the Muslims in the conquest of Syria-Palestine, at the time of the second Caliph ʿUmar ibn al-Khaṭṭāb in the 7th century, which ended with the Islamic victory in the battle of the Yarmuk. It was in this battle that 12,000 Ghassanid Arabs were defeated by the Muslims of Khālid b. al-Walid.
Ghassanid Kingdom
