Jementah Civil War

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Jementah Civil War
Date 25 October 1879–30 December 1879 Location Muar, Kesang, Jementah and Segamat (all part of Johor) Result Johor state government retakes Muar District
Belligerents
Johor Sultanate Supported by:  United Kingdom	Muar faction
Commanders and leaders
Sultan Abu Bakar Dato' Salleh bin Perang Ungku Ahmad	Tengku Alam Tengku Nong Tengku Mat

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The Jementah Civil War broke out in 1879 in Jementah in northern Johor when Tengku Alam Shah, the heir of late Sultan Ali of the autonomous principality of Muar refused to surrender the principality to the central administration of Abu Bakar, the then Maharaja of Johor.

The aftermath of the conflict led to the consolidation of Johor's rules over Muar territory again and the opening of Muar town by Sultan Abu Bakar as the first sultan of modern Johor.