al-Mubarak Canal and the Tigris Pontoon

حفر نهر المبارك وقنطرة دجلة

Nahr al-Mubarak

In al-Baladhuri: Khalid ibn Abdallah al-Qasri dug al-Mubarak canal — al-Farazdaq praised it ('al-Mubarak, like its name, waters Sawad's ploughland and the tyrant's lush domain; Tigris at its flood seems a fang stretched out on a caravan rope'). Khalid wrote Hisham ibn Abd al-Malik asking leave to build a pontoon on the Tigris; Hisham answered 'if this were possible the Persians would have preceded us,' and when pressed, 'if you are certain it will hold, do it.' He built it at enormous cost; the water soon cut it, and Hisham made him repay all he had spent.

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At a glance

Era
The Umayyad Period
Region
Levant & Iraq
Review
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Overview

al-Baladhuri reports that Khalid ibn Abd Allah al-Qasri dug the canal of al-Mubarak, and then wished to build a bridge over the Tigris. 1

The canal

al-Farazdaq praised the canal in his poetry, saying that al-Mubarak was like its name, and that with it he watered the land of al-Sawad. The account quotes his verses. 1

The bridge

Khalid wrote to Hisham ibn Abd al-Malik asking permission to build a bridge over the Tigris. Hisham wrote that if it were possible, the Persians would have done it first. Khalid pressed the request, and Hisham wrote that if he was certain it would be completed, he should build it. 1

Khalid built it and spent heavily on it, but before long the water cut it. Hisham made him repay what he had spent on it. 1

Notes

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Connections

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Occurred at
Nahr al-Mubarak
Had participant
Khalid ibn Abdallah al-Qasri· هشام بن عبد الملك· al-Farazdaq

People and things also explored

Al-hajna — the stigma of mixed lineage· al-Junayd's Khurasan and the Turkish War· The Building of al-Rafiqa· al-Hajjaj's Mint and Coinage· Conquests of Hisham's reign· The Killing of Kulthum ibn Iyad in Ifriqiya· The Marghab Canal Dispute· Marwan ibn Muhammad's Expedition through Khazar and Mountain Lands

Sources

  1. Futuh al-Buldan — al-Baladhuri (Mu'assasat al-Ma'arif edition) , p. 408-409
Cite this page

islam.museum contributors. “al-Mubarak Canal and the Tigris Pontoon”. islam.museum, https://islam.museum/en/event/al-mubarak-canal/. CC BY-SA 4.0. Last updated 2026-10-16.

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Related

Al-hajna — the stigma of mixed lineage

Al-hajna, the Arab stigma of impure lineage: Lisan al-Arab defines it as speech that disgraces you, the hajin being an Arab son of a slave-mother — 'for he is marked'. Ibn Abd Rabbih reports the Umayyads would not appoint the sons of slave-mothers, saying the Arabs do not fit them; al-Asma'i explained it astrologically — they saw their rule ending at a slave-mother's son's hands — but Ahmad Amin favours the popular explanation of sheer disdain. A Bedouin asking the qadi Suwar about his inheritance grew furious when told the hajin shared equally; Khalid al-Qasri, governor of Iraq, was lampooned because his mother was a Greek slave.