The siege of Alexandria took place in summer 1167, during the third Crusader invasion of Egypt, when the Crusaders of the Kingdom of Jerusalem besieged the port city of Alexandria, nominally part of the Fatimid Caliphate but held by Saladin on behalf of his uncle, Shirkuh. Despite the small number of troops he had with him and the dubious support of the Alexandrians, Saladin managed to sustain the siege for three months, until food started running out. At that point Shirkuh arranged for a negotiated settlement, which saw Alexandria handed over to the Fatimid vizierShawar, and both the Crusaders and Shirkuh's Zengid troops departed Egypt after the payment of tribute from the Fatimid treasury.
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Fulton, Michael S. (2022). Contest for Egypt: The Collapse of the Fatimid Caliphate, the Ebb of Crusader Influence, and the Rise of Saladin. Leiden and Boston: Brill. ISBN978-90-04-51227-6.
Omran, Mahmud Said (1985). "King Amalric and the Siege of Alexandria, 1167". In Peter W. Edbury (ed.). Crusade and Settlement. Papers read at the First Conference of the Society for the Study of the Crusades and the Latin East and presented to R. C. Smail. Cardiff: University College Cardiff Press. pp. 191–196. ISBN0-906449-78-2.