Yazīd I

born с 645, Arabian Peninsula

died 683, Damascus, Syria

Second caliph (680–683) of the Umayyad dynasty.

He oversaw the events at the Battle of Karbalā (680), which contributed to the eventual split of Islam into Sunnite and Shīʽite sects. He succeeded his father, Muāwiyah I, as caliph, keeping Muāʽwiyah's advisers and retaining most of his policies, while reforming the financial system, adjusting tax policy, and improving the irrigation system of the Damascus oasis. See also fitnah; al-Husayn ibn Alī.

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▪ Umayyad caliph

in full Yazīd Ibn Muʿāwiyah Ibn Abī Sufyān

born c. 645, , Arabia

died 683, Damascus

      second Umayyad caliph (680–683), particularly noted for his suppression of a rebellion led by Ḥusayn, the son of ʿAlī. The death of Ḥusayn at the Battle of Karbalāʾ (680) made him a martyr and made permanent a division in Islām between the party of ʿAlī (the Shīʿites) and the majority Sunnites.

      As a young man Yazīd commanded the Arab army that his father, Muʿāwiyah (Muʿāwiyah I), sent to lay siege to Constantinople. Soon afterward he became caliph, but many of those whom his father had kept in check rebelled against him.

      Although presented in many sources as a dissolute ruler, Yazīd energetically tried to continue the policies of Muʿāwiyah and kept many of the men who had been in his father's service. He strengthened the administrative structure of the empire and improved the military defenses of Syria. The financial system was reformed. He lightened the taxation of some Christian groups and abolished the tax concessions granted to the Samaritans as a reward for aid they had rendered in the days of the Arab conquests. He concerned himself with agricultural matters and improved the irrigation system of the Damascus oasis.

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