Kawus, King of Ushrusana

كاوس ملك أشروسنة

Kawus, king of Ushrusana; he bought peace through al-Fadl ibn Sahl, broke it, lost his qahrman to son Haydar's blow, and yielded when Ahmad ibn Abi Khalid came by the short road — showing Islam at Baghdad he was reinstated, then Haydar after him.

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Era
The Early Abbasid Caliphate
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Overview

Kawus, king of Ushrusana. 1

His treaty and its breaking

Al-Fadl ibn Sahl made peace with him in return for a tribute he would pay, on condition that the Muslims should not raid his land. He broke the treaty when al-Ma'mun came to the City of Peace (Baghdad), and his son Haydar killed his steward al-Athir. 1

His surrender

When Ahmad ibn Abi Khalid pressed him on the shorter road, he surrendered and came to the City of Peace, where he professed Islam. Al-Ma'mun gave him back his lands, and after him his son Haydar ruled them. 1

Connections

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Participated in
Ahmad ibn Abi Khalid's Conquest of Ushrusana· King Kawus's Affair and the Qahrman's Killing

People and things also explored

Haydar ibn Kawus (al-Afshin)· Ushrusana· Ahmad ibn Abi Khalid al-Ahwal· الفضل بن سهل· Ahmad ibn Abi Khalid's Conquest of Ushrusana· King Kawus's Affair and the Qahrman's Killing

Sources

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

islam.museum contributors. “Kawus, King of Ushrusana”. islam.museum, https://islam.museum/en/person/kawus/. CC BY-SA 4.0. Accessed 2026-10-17.

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People

Prophets, companions, scholars, rulers, scientists, poets, travelers: women and men who shaped the story.
Related

Haydar ibn Kawus (al-Afshin)

Haydar ibn Kawus, the famous al-Afshin; demeaned by his father's favored qahrman he killed him at the city gate, fled to al-Khattl, then showed Islam at Baghdad, taught al-Ma'mun Ushrusana's short road, and was made king after his father.