The Great Arab Conquests (32 page)

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Authors: Hugh Kennedy

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The Muslim armies pressed on along the road that led to Khurasan and the east. After defeating an army of Daylamites and other mountain people attempting to block his progress at Wāj al-Rūdh,
19
he headed for Rayy. Rayy lay just south of modern Tehran, which was no more than an obscure village until it was made the capital of Iran by the Qajar dynasty in the late eighteenth century. Rayy was known to the ancient Greeks as Rhages. It was already established when Alexander the Great passed through in his pursuit of Darius III, and it was rebuilt as a Macedonian polis by Seleucus Nicator in about 300 BC. He called it Europos after his own birthplace in Macedonia but, as so often, it was the old name which stuck. In around 200 BC it was taken by the Parthians and became the summer residence of the kings. Isidore of Charax describes it as the greatest city of Media, and its strategic position meant that it continued to thrive under the Sasanians.
 
Rayy was of immense strategic importance. To the south lay the great desert of central Iran, waterless, encrusted with salt and virtually impassable. To the north, the mountains of the Elburz range rose with dramatic suddenness from the plains. It was the water from these mountains which gave birth to the two small rivers that watered the city before they lost themselves in the desert margin to the south. Any army wanting to pass from western Iran to Khurasan and the east had to use this narrow belt of watered, fertile land and pass the city of Rayy. Siyāvush, the governor of this important place, came from one of the most aristocratic families in Iran, the Mehrans, who had a hereditary position as lords of Rayy.
19
He was the grandson of no lesser man than the great Bahrām Chūbin, one of the most respected generals in the Sasanian army, who tried to usurp the throne from the young Chosroes II in 590. The rebellion failed as Chosroes, with Byzantine military support, regained his throne. Bahrām was killed but his family clearly maintained their control of Rayy.
 
The Arab armies would have found a walled city, with brick or clay houses dominated by a castle on a rocky outcrop overlooking the site. They might have expected that an assault or even a major siege would be necessary. In the event, rivalries among the Persians gave them an opportunity. The dominance of Rayy by the Mehran family was resented by the rival Zinābi family and the leader of the Zinābis came to meet the Arab armies at a village on the main road from Qazvin to the west of the city. He made an offer to lead some horsemen inside the walls by a back way. The Muslims mounted a night attack. At first the Persians stood firm but then the horsemen within the city charged them from behind, shouting the traditional Muslim war cry, ‘
Allhu Akbar’
. The resistance crumbled and the invaders soon took possession of the city. There was obviously a considerable amount of looting, and it was said that as much booty was taken from Rayy as had been from the imperial capital at Ctesiphon. The Arab conquest resulted not so much in Arab occupation as in a reshuffle among the Persian elite. The Mehran family lost their authority and their quarter of the city, later known as the ‘Old Town’, was devastated. Meanwhile Zinābi was named as governor, and even given the Persian rank of Marzban. He gave orders for the building of a new city centre and his family, including his two sons, Shahram and Farrūkhān, were in effective control of the city.
20
 
The Arab armies continued to advance along the Khurasan road to the small piedmont city of Bistām, renowned for the fertility of its soil and the excellence of its fruit, and received the peaceful submission of the provincial capital at Qūmis.
 
While the Arab army was encamped at Bistām, the commander, Suwayd b. Muqarrin, began to make some diplomatic overtures to the rulers of the mountain areas to the north. From Gīlān in the west through Tabaristān and Dubavand in the centre to Gurgān in the east, the southern shores of the Caspian Sea are dominated by mountain ranges, which reach their highest point at the spectacular summit of Damavand. The mountains are very unlike most of Iran. In contrast to the open and bleak slopes and summits of the Zagros, the mountains of the Elburz range are often well wooded. The northern slopes are humid and nowadays suitable for rice- and tea-growing. The roads through the mountains are few and narrow. It was not an area that any Arab military leader would be eager to attack: they always avoided narrow mountain passes and steep valleys.
 
Suwayd began by making contact with the ruler of Gurgān. The lands of Gurgān lay to the south-east of the Caspian Sea. This was where the mountains met the almost limitless plains of Central Asia. It has always been a frontier area and the meeting place of the settled Iranian peoples to the south and west and the nomadic Turkish speakers to the north-east: for most of the twentieth century it was the border between Iran and the territories of the Soviet Union. Today the border between Iran and Turkmenistan runs through it. The great Sasanian monarch Chosroes I Anushirvan (531-79) built a long wall, strengthened with forts at regular intervals, from the Caspian coast 100 kilometres along the desert frontier.
 
Remote Gurgān had always been a semi-detached part of the Sasanian Empire, being ruled by hereditary princes with the title of Sūl. The Sūl of that time, Ruzbān, entered into negotiations with Suwayd. The two met on the frontier of the province and went around assessing what tribute was to be paid. A group of Turks were allowed to escape taxation in exchange for defending the frontier, perhaps the first time in what would become a long history of Muslims employing Turks as soldiers. The text of the treaty
21
reflects the unusual status of the province. The tribute was to be paid by all adults unless the Muslims required military assistance, which would, in that case, count instead of payment. The people were allowed to keep their possessions and their Zoroastrian religion and laws as long as they did no harm to any Muslims who chose to settle there. This was conquest in name only. The traditional ruler remained in charge, paying tax now to the Muslims rather than to the Sasanian king, but there is no indication of Muslim settlement or military occupation.
 
At the same time, the ruler of Tabaristān, further to the west, opened negotiations to regularize his position. Tabaristān was more inaccessible than Gurgān and was completely covered by mountains, apart from a narrow strip of land along the Caspian shore. The treaty that Suwayd made with the local ruler merely stipulated that he was to restrain robbers and bandits from attacking neighbouring areas and that he should pay 500,000 of the locally minted dirhams a year. He was not to harbour fugitives or carry out treacherous acts. Muslims would visit the territory only with the permission of the ruler.
 
Tabaristān was not visited by any Muslim army and, at least according to the treaty, the tribute was a global payment for the whole area, rather than a poll tax. It looks as if all aspects of government, including tax collecting and the minting of coins, remained in the hands of the local ruler. The ruler of neighbouring Gīlān to the west was granted similar terms. The ‘Arab conquest’ of these areas was so swift because it amounted to so little in real terms: the rulers may even have been paying less tax than they had in Sasanian times. The reality was that these areas remained outside Muslim control until the eighth century. The road east from Rayy remained insecure and Muslim troops going to Khurasan were obliged to use the route that led south of the Great Desert and then turned north through Sistan.
 
At the same time more Muslim armies were moving into Azerbaijan. Azerbaijan was the vast province at the north-west of the Iranian plateau. This was a land of strongly contrasting environments. In some areas down by the Caspian coast the land was warm and comparatively well watered. Further south and west were vast open uplands with high mountains. This was good territory for summer pasture, and much of it was probably inhabited by Kurdish tribesmen, who spent their winters in the plains of northern Iraq or the Mughan steppes by the Caspian and their summers in the upland pastures. There were few important cities here and population must have been sparse and scattered in these vast landscapes. Booty too must have been thin, with none of the allure of the rich cities of Iraq or Fars.
 
The first troops had set out from Hulwān under the command of Bukayr b. Abd Allāh al-Laythī.
22
It seems likely that they found the going difficult, and after the conquest of Hamadhan, Nu
c
mān was ordered to send troops from his army to support him. Nu
c
mān chose to delay until after he had secured Rayy. Once again, the Arabs were helped by the cooperation of an important figure in the Iranian elite. Isfandiyādh was the brother of the Rustam who had led the Persian armies in the disastrous defeat at Qādisiya, which had opened the door of Iraq to the Muslim armies. The family may have come from this area, and Isfandiyādh led the armies of Azerbaijan in a futile attempt to halt Nu
c
mān’s advance to Nihāvand. He had been taken prisoner by Bukayr at the beginning of the Azerbaijan campaign and had agreed to mediate between the Arab commander and the local population. He warned Bukayr that unless he made peace with the people, they would disperse into the Caucasus and the mountains of eastern Anatolia, where they would be almost impossible to dislodge. Once again it was diplomacy which ensured the success of the Muslim armies. The details are very sparse but it looks as if there was little fighting and that most people agreed to pay tribute in return for being allowed to keep their property and their customs and religion. There is no mention of any sieges, nor does it seem that Arab garrisons were established.
 
The Arab armies moved on up the western coast of the Caspian Sea to the town the Arabs called Bāb al-Abwāb, the Gate of Gates, which is now called Derbent. It was here that the main range of the Caucasus mountains came down to the sea coast. At this point the Sasanians had established a fortified outpost. The long, strong stone walls still run from the sea to the spur of the mountains. Like Gurgān, this was frontier territory. Beyond the wall was nomad country, the vast plains of what is now southern Russia.
 
The commander of the Sasanian garrison was one Shahrbarāz. He was very conscious of his aristocratic origins and clearly had little sympathy with the people of the Caucasus and the Armenians who surrounded him. Knowing that the Sasanian regime elsewhere had collapsed, he sought instead to make common cause with the Arab leaders, entering into a series of negotiations in which it was agreed that he and his men should be exempt from paying a poll tax in exchange for military service in the frontier army. In this way the remaining elements of the Sasanian army were not defeated but incorporated into the armies of Islam. No doubt some of them soon came to convert to Islam. Interestingly, other reports show that while the Arab commanders were keen to attack the nomads beyond the wall at Bāb, the experienced Persians warned against it, saying effectively that they should let sleeping dogs lie.
23
The Arabs did launch raids north of the wall, but no permanent gains were made. In the long run, the frontier established at the wall in 641-2 has remained the frontier of the Muslim world in the eastern Caucasus to the present day.
 
Similar arrangements are said to have been made with the Christian inhabitants of upland Armenia, and Arab armies penetrated as far at Tblisi in Georgia, but details are sparse and it is not clear what the effect of this activity was.
 
Meanwhile, a completely separate campaign was under way in southern Iran. The conquest of Fars
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began with a seaborne invasion. There had always been close contacts between the peoples on both shores of the Gulf, and Oman especially had an ancient seafaring tradition and lots of sailors for whom the crossing of the usually tranquil waters between the coasts of Iran and Arabia presented no problems. At the time of the earliest conquests the Gulf was virtually a Sasanian lake, the Persians maintaining a number of small outposts on the Arabian shore. In the absence of large timbers and iron, navigation was possible in boats made of palm trunks, sewn together with thread, ancestors of the dhows that can still be seen in local waters today. It was natural that when the Arabs of Oman and Bahrain saw the success of their northern cousins against Sasanian Iraq, they too would wish to join in.
 
As in other areas, the first conquests immediately followed on from the
ridda
wars. The governor of Bahrain appointed from Medina, Alā b. al-Hadramī, apparently acting on his own initiative, took the Persian outposts on the Arabian coast. In 634 he sent a maritime expedition under the command of one Arfaja, which took an unnamed island off the Persian coast and used it as a base for raids. It seems that the caliph Umar, always portrayed as suspicious of maritime expeditions, disapproved of this exploit and the force seems to have withdrawn without achieving any permanent gains.
 
The next attempt was made by Uthmān b. Abī’l-Ās, who was appointed governor in 636 and was responsible for most of the conquest of Fars. He was not a native of the Gulf coast. Like many early Muslim commanders he came from the hilltop city of Tā’if near Mecca and was no doubt drafted in to ensure the control of Medina over the area. In about 639 he sent a naval expedition across the Gulf under the command of his brother Hakam. Part of his intention must have been to engage the energies of the local tribesmen and provide them with opportunities for booty, but it is also likely that Umar could see that an attack from this quarter would distract the still-formidable Persian forces from the conflict in Iraq. In particular, it would divert the energies of the Persians of Fars so that they could not join the main armies further north. Umar also ordered that the Julandā family, hereditary rulers in Oman, should provide support for the expedition. The expeditionary force was comparatively small, 2,600 or 3,000 men are the numbers given in the sources, and they were mostly drawn from the great Umani tribe of Azd. They set off from the port of Julfar on the site of the capital of the modern emirate of Ra’s al-Khayma and established themselves at the island of Abarkāwān (nowadays known as Qishm) just off the Iranian coast. It was a sea journey of some 130 kilometres and would hardly have taken more than a couple of days in favourable winds. Like their predecessors in 634, they intended to use the island as a secure base for attacking the mainland.

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