By withholding the tribute which Irene had agreed to pay to Harun al-Rashid, Nicephorus committed himself to a war with the Saracens.
By the death of Harun in 809, Nicephorus was left free to deal with the Bulgarian king, Krum, who was harassing his northern frontiers.
815), the son and successor ci Harun al-Rashid, caused an Arabic version of Ptolemy's great astronomical work (rat, meyio-Tf) to be made, which is known as the Almagest, the word being nothing more than the Gr.
Half a day's journey beyond Sura, on the Mesopotamian side of the river, are the extensive ruins of Haragla (Heraclea) and Rakka, once the capital of Harun al-Rashid (Nicephorium of Alexander; Callinicus of the Seleucids and Romans).
Already under Charlemagne this development is noticeable; in his generous treatment of the Jews this Christian emperor stood in marked contrast to his contemporary the caliph Harun al-Rashid, who persecuted Jews and Christians with equal vigour.
Charlemagne in particular was closely connected with Jerusalem: the patriarch sent him the keys of the city and a standard in Boo; and in 807 Harun al-Rashid recognized this symbolical cession, and acknowledged Charlemagne as protector of Jerusalem and owner of the church of the Sepulchre.
1 7 So) this tomb bore an inscription setting forth that Ayesha Khanum, the wife of the governor of Bagdad, was buried here in 1488, her grave having been made in the ancient sepulchre of the lady Zobeide (Zobaida), granddaughter of Caliph Mansur and wife of Harun al-Rashid, who died in A.D.
The period of the greatest prosperity of Bagdad was the period from its foundation until the death of Mamun, the successor of Harun, in 833.
Depending on coloured tiles and gorgeous fabrics for their rich effects, nothing of the buildings of the times of Harun al-Rashid or Mamun, once counted so magnificent, have come down to us.
Euclid's Elements were first translated in the reign of Harun-al-Rashid (786-809), and revised by the order of Mamun.
In Bagdad, under the rule of Harun el Rashid and his successors, a still more flourishing school arose, where numerous translations of Greek medical works were made.
The old reservoirs on this route attributed to Zubeda, wife of Harun al Rashid, were destroyed during the Wahhabi raids early in the 19th century, and have not been repaired.
In the contest between the two sons of Harun al Rashid all Arabia sided with Mamun (812).
Before his coronation as emperor, Charles had entered into communications with the caliph of Bagdad, Harun-al-Rashid, probably in order to protect the eastern Christians, and in 801 he had received an embassy and presents from Harun.
In the same year the patriarch of Jerusalem sent him the keys of the Holy Sepulchre; and in 807 Harun not only sent further gifts, but appears to have confirmed the emperor's rights in Jerusalem, which, however, probably amounted to no more than an undefined protectorate over the Christians in that part of the world.
Dicuil's knowledge of the islands north and west of Britain is evidently intimate; his references to Irish exploration and colonization, and to (more recent) Scandinavian devastation of the same, as far as the Faeroes, are noteworthy, like his notice of the elephant sent by Harun al-Rashid (in 801) to Charles the Great, the most curious item in a political and diplomatic intercourse of high importance.
At Bagdad, in the reign of Mamun (813-833), the son of Harun al-Rashid, philosophical works were translated by Syrian Christians from Greek into Syriac and from Syriac into Arabic. It was in his reign that Aristotle was first translated into Arabic, and, shortly afterwards, we have Syriac and Arabic renderings of commentators on Aristotle, and of portions of Plato, Hippocrates and Galen; while in the 10th century new translations of Aristotle and his commentators were produced by the Nestorian Christians.
It is believed that this mina divided by 12 unciae by the Romans is the origin of the Arabic ratl of 12 ukiyas, or 5500 grains (33), which is said to have been sent by Harun al-Rashid to Charlemagne, and so to have originated the French monetary pound of 5666 grains.
In 803 he was called to Bagdad by Harun al-Rashid.
It had been rebuilt by Harun al-Rashid in 796 A.D., refortified at great expense by Saif addaula, the Hamdanid (loth century) and Saiked, and ruined by the crusaders.
Mansur, the second of the house, who transferred the seat of government to Bagdad, fought successfully against the peoples of Asia Minor, and the reigns of Harun al-Rashid (786-809) and Mamun (813833) were periods of extraordinary splendour.
From the `Araba travellers approach by a track which leads round Jebel Harun (Mt Hor) and enters the plain of Petra from the south; it is just possible to find a way in from the high plateau on the north; but the most impressive entrance is from the east, down a dark and narrow gorge, in places only to or 12 ft.
From the year Boo, it must be added, Africa only nominally belonged to the Abbasids; for, under the reign of Harun al-Rashid, Ibrahim b.
It came later into the possession of Harun al-Rashid.
Barmak, the head of that celebrated family the Barmecides, which played so important a part in the reign of Harun al-Rashid.
He assembled his army in the plains of Baradan north of Bagdad and began his march in the early spring of 780, taking with him his second son Harun, and leaving his elder son Musa as his lieutenant in Bagdad.
Thence he despatched an expeditionary force, nominally under the command of Harun, but in reality under that of his tutor, the Barmecide Yahya b.
Harun captured the fortress Samalu after a siege of thirty-eight days, the inhabitants surrendering on condition that they should not be killed or separated from one another.
In consequence of this feat, Mandi made Harun governor of the whole western part of the empire, including Azerbaijan and Armenia.
Irritated by this failure, the caliph in 781 sent Harun, accompanied by his chamberlain Rabi`, with an army of nearly ioo,000 men, with orders to carry the war to the very gates of Constantinople.
Harun then marched against Nicomedia, where he vanquished the domesticus, the chief commander of the Greek forces, and pitched his camp on the shores of the Bosporus.
The celebrated caliph, Harun-al-Rashid, lived in Derbent at different times, and brought it into great repute as a seat of the arts and commerce.
The first Arabic translation of the Almagest was made by order of Harun al-Rashid about the year Boo; others followed, and the Caliph Arah al-Mamun built in 829 a grand observatory at astro- Bagdad.
Made Myra the Byzantine capital of Lycia, and as such it was besieged and taken by Harun al-Rashid in 808.
The aqueduct is the successor of an older one associated with the names of Zobaida, wife of Harun al-Rashid, and other benefactors.
There are, also, a ruined castle founded by Harun al-Rashid in 782, fine fountains, good buildings, river-side quays, cotton mills and an American mission with church and schools.
In 795 Harun al-Rashid made the pilgrimage, came with two of his sons to Medina, and sat at the feet of Malik as he lectured in the mosque.
In the reign of Harun al-Rashid disturbances broke out in Khorasan which, were temporarily appeased by a visit from Harun himself.
Sayyar, revolted in Samarkand, and Harun on his way to attack him died at Tus (809).
The island was recovered by the Greek emperors and, though again conquered by the Arabs in the reign of Harun al-Rashid (802), it was finally restored to the Byzantine empire under Nicephorus Phocas.
But the tide of conquest was stemmed by the iconoclast emperors, and the Arab expeditions, excepting those of Harun al-Rashid, 781 and 806, and of elMotasim, 838, became simply predatory raids.
He seems to have been a poor man until by the influence of the governor of Basra he was brought to the notice of Harun al-Rashid, who enjoyed his conversation at court and made him tutor of his son.