イスラム史特講③
The Umayyad Caliphate and the Creation of a Transcontinental Empire
(ウマイヤ朝と大帝国の形成)
Following the assassination of Ali in 661 CE, political authority passed to Muawiya I, the governor of Syria and founder of the Umayyad Caliphate. Unlike the Rashidun Caliphs, who had been selected through consultation among leading Muslims, the Umayyads established a hereditary monarchy. This transformation marked a significant turning point in Islamic political history.
The Umayyad rulers relocated the capital from Medina to Damascus, strategically positioned at the crossroads of Asia, Africa, and Europe. From this administrative center, they governed an empire of unprecedented scale. During the eighth century, Muslim armies expanded westward across North Africa and crossed the Strait of Gibraltar into the Iberian Peninsula. By 711 CE, most of what is now Spain had come under Islamic control.
Simultaneously, expansion continued eastward. Muslim forces advanced into Central Asia, reaching regions near modern-day Uzbekistan and Kazakhstan. By the early eighth century, the Islamic Empire stretched from the Atlantic Ocean to the borders of China, becoming one of the largest political entities in world history.
Managing such an enormous territory required sophisticated administrative reforms. The Umayyads introduced Arabic as the official language of government and established a standardized currency system. These measures facilitated communication, taxation, and trade throughout the empire. Furthermore, extensive road networks and postal systems improved the efficiency of imperial administration.
Despite these achievements, the Umayyad regime faced persistent criticism. Many non-Arab converts to Islam, known as mawali, complained of unequal treatment. Although they had embraced Islam, they were often denied the same social and political privileges enjoyed by Arab Muslims. Additionally, members of the Shia community continued to reject Umayyad legitimacy, believing that leadership should have remained within Muhammad’s family.
Religious tensions intensified after the tragic death of Husayn ibn Ali at the Battle of Karbala in 680 CE. Husayn, the grandson of Muhammad, was killed while challenging Umayyad authority. His martyrdom became a defining event in Shia Islam and remains deeply significant today.
Eventually, growing dissatisfaction among various groups culminated in a large-scale revolution. In 750 CE, the Umayyad Caliphate was overthrown by the Abbasids, who promised a more inclusive form of governance. Nevertheless, the Umayyads left an enduring legacy by transforming Islam from a regional faith into a vast transcontinental civilization.