The name literally means 'ivory': "tooth" (sinn) of "the elephant" (al-fīl). Being geographically closer to the ancient city of Antioch and far remote from natural elephant habitat, it is believed that the town name may have been a derogation of Saint Theophilus of Antioch.[citation needed]
Geography
With a rich red soil and moderate precipitation (but available ground water irrigation) the agricultural land of Sin el Fil in the early 20th century sprawled into a densely populated suburb. The natural landscape of the late century was dominated by stone pine. The Beirut River runs west of Sin el Fil and separates the town from the capital, Beirut.
Demographics
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On 1 March 1990, Sin el Fil was the scene of heavy fighting between Samir Geagea's Lebanese Forces (LF) and parts of the Lebanese Army loyal to General Michel Aoun. It was the last offensive in Aoun's failed attempt to take control of Christian East Beirut and caused extensive damage and many casualties.[5]