ABBASID PLACE, BAGHDAD

When I attended elementary and high school (that was between 1947 and 1960) history was taught as though its only dynamic was a westward movement from Europe to the Pacific Coast of North America. One result of this skewed point of view was that Islam was mentioned only with respect to the Crusades.

In actual fact, however, the history of Islam is an integral part of the history of the whole world; in particular, it was an important factor in shaping the western world we know today.

Benson Bobrick takes on a part of that subject in his popular history “The Caliph’s Splendor,” focusing especially on the ninth and tenth centuries. His topic is an institution that is virtually unknown to westerners—the caliphate. This was the structure under which most of Islam was governed for generations following the death of the Prophet Muhammad.

ABU BAKR

Islam was divided on the subject of who should succeed the Prophet as the administrative and political leader. The role fell first to Muhammad’s father-in-law and confidant, Abu Bakr as-Saddiq, who was supported by the Sunni. Abu Bakr was the first caliph (successor), a position he held only a few years until his death. In the centuries following his death, Islam spread through the Near East, North Africa, and Europe. Because of the difference of opinion about succession, and because of geopolitical realities, not one but several caliphs ruled over Muslim territories.

The focal point of Bobrick’s book is Caliph Harun al-Rashid, the fabled “Sword of God,” who ruled over a territory that spread from Spain across southern Europe and North Africa through the Middle East and Arabia to the western edges of  China. Most modern westerners who may be at least vaguely aware of the  later Ottoman Empire are unaware of the extent to which Islam spread from its beginnings in what is now Saudi Arabia. Nor are many aware of the level of wealth that the caliphs accumulated. In 766, Harun, who was a caliph of the Abbasid dynasty, established his capital at Baghdad, which became one of the most influential cities of  its time.

ABBASID PALACE, BAGHDAD

Bobrick writes that the administration of Baghdad “managed to harness the Tigris and Euphrates rivers for the cultivation of grain, and a brilliant system of canals, dikes, and reservoirs drained the surrounding swamps…. There were many rich bazaars and covered shops along the embankments, where all sorts of artisans and craftsmen—marble workers from Antioch, papyrus makers from Cairo, potters from Basra, calligraphers from Peking—plied their trades. … There was a large sanitation department, many fountains and public baths, and, unlike the European towns and cities of the day, streets that were regularly washed free of refuse and swept clean. Most households had water supplied by aqueducts. …”

By comparison, Bobrick writes, London and Paris during that same era were pest holes.

UMMAYAD COIN

As with the expansion of all empires, of course, the spread of Islam was accomplished in part by brute and bloody force, it was also accompanied at times by significant advances in learning, literature, and scientific discovery in areas such as mathematics and astronomy. The “intellectual awakening” that took place during the reigns of Hasrun and his son Mamun—and with their participation—was, Bobrick writes, “one of the most significant in the whole history of culture and thought.”

As much as it might fit some political agendas to believe that Islam arose and grew in a primitive desert context, nothing could be farther from the truth. It is well established, in fact, that a large body of western learning, including the works of such geniuses as Aristotle and Plato, would have been lost forever during the Dark Ages had they not been translated by Muslim scribes and preserved in Muslim libraries until they could be rediscovered by European scholars of a later period. Bobrick wrote this book for popular audience, and a popular audience might understand modern history a little better by learning more about such epochs as the “golden age of Baghdad.”

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CHRISTOPHER COLUMBUS

In a post last December, I mentioned in passing the widely held fiction that when Christopher Columbus set off on his first voyage, many if not most Europeans thought he would sail his ship off the edge of a flat earth and into oblivion. I was taught this in elementary school, and I have spoken to many people my age who remember being taught the same thing. More recently, I questioned my college students about this, and many of them said they had the same impression about Columbus.

The fact is that it was common knowledge among Columbus’ contemporaries in Europe that the world was round — a point that Nancy Marie Brown makes in her book, The Abacus and the Cross.

This book is not about Columbus; it’s about Gerbert of Aurillac, a French monk who lived in the 10th century. Gerbert had a thirst for knowledge and he became thoroughly schooled in the humanities and in the sciences.

GERBERT of AURILLAC

His scholarship carried him to Spain, where he came in contact with a thriving Arab Muslim culture which had preserved enormous amounts of philosophical and scientific knowledge that had been lost to Europe. Gerbert seems to have had both the curiosity and the capacity of a Leonardo or Michelangelo, and he devoured as much learning as he could. He was engrossed in both mathematics and in music, for example, and in the relationship between the two disciplines. He scrutinized the properties of organ pipes, and he eventually designed a built a prototypical organ that was not driven by water — the common technique of his time — but by forced air.

He didn’t only strive to satisfy his own curiosity. He was an influential teacher whose students included royalty. In the process of carrying out this vocation he introduced Europe to the place system of arithmetic — vertical rows for the ones, tens, hundreds, and so forth — which was much more efficient than the clumsy Roman system and which the western world has been using ever since. In this connection, he also carried back from Spain numerals that had originated in India and that had been adapted by the Muslims — the forerunners of the so-called Arabic numbers we use today. As the title of the book suggests, he learned in Spain to use an abacus board to calculate, and he later designed his own versions and taught others how to use them.

AN ASTROLABE

Also among Gerbert’s interests was astronomy. He learned all about astrolabes, overlaid disks that were used to trace the positions of the sun and the moon and the stars and the planets — and tell time — and about celestial globes, which were three dimensional representations of the apparent paths of the heavenly bodies. He made his own models of these instruments, too, sometimes taking as much as a year to finish one.

As Brown points out, it is clear not only that Gerber, in the 10th century, knew that the world was round, but that Pythagoras determined that around 530 BC, and Erastosthenes figured out how to calculate the circumference of the globe by 240 BC. Some flat-earthers persisted, but by the time of Columbus the point was moot in western Europe. Columbus knew the world was round; his mistake was in underestimating the circumference.

Being a churchman in that era, and one who enjoyed consorting with powerful people, Gerbert inevitably got drawn into the constant political turmoil in Europe, and his fortunes rose and fell along with those of his patrons.

He almost ended on a high note when he was elected Pope Sylvester II in 999 AD.

SYLVESTER on FRENCH STAMP

Even that didn’t turn out so well, because he had to flee Rome for a while along with his patron of the moment, the Holy Roman Emperor Otto III. Sylvester died in 1003.

During his lifetime and for a long time after his death he was the subject of rumors that he consorted with the devil or engaged in sorcery. Ironically, this was because of his pursuit of knowledge in astronomy and mathematics, which in some ignorant minds were associated with the occult.