Analysis of information sources in references of the Wikipedia article "המצור על ירושלים (636–637)" in Hebrew language version.
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: (עזרה)(638) The capture of Jerusalem and the visit of 'Umar
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: (עזרה) - Footnote 254 discusses the different dates from old sources (638, 637, 636/37) and the different scholarly discussions.{{cite encyclopedia}}
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: (עזרה)The first Muslim conquest of Jerusalem in Muhrram 17 AH/February 638 CE...
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