The <a href="https://en.wikipedia.org/wiki/Fatimid_invasion_of_Egypt_(919–921)" id="mwHA" rel="mw:WikiLink" title="Fatimid invasion of Egypt (919–921)">second Fatimid invasion</a> of <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Medieval_Egypt" id="mwHQ" rel="mw:WikiLink" title="Medieval Egypt">Egypt</a> begins, when the Fatimid heir-apparent, <a href="https://en.wikipedia.org/wiki/Al-Qa'im_(Fatimid_caliph)" id="mwHg" rel="mw:WikiLink" title="Al-Qa'im (Fatimid caliph)">al-Qa'im bi-Amr Allah</a>, sets out from <a href="https://en.wikipedia.org/wiki/Raqqada" id="mwHw" rel="mw:WikiLink" title="Raqqada">Raqqada</a> at the head of his army.<sup about="#mwt24" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-2"}}' id="cite_ref-2" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_5#cite_note-2" id="mwIA" style="counter-reset: mw-Ref 2;"><span class="mw-reflink-text" id="mwIQ">[2]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-2"><cite about="#mwt21" class="citation book cs1 cs1-prop-foreign-lang-source" id="CITEREFHalm1991"><a href="./Heinz_Halm" id="mwDPs" rel="mw:WikiLink" title="Heinz Halm">Halm, Heinz</a> (1991). <i id="mwDPw">Das Reich des Mahdi: Der Aufstieg der Fatimiden</i> <span id="mwDP0" typeof="mw:Entity">[</span><i id="mwDP4">The Empire of the Mahdi: The Rise of the Fatimids</i><span id="mwDP8" typeof="mw:Entity">]</span> (in German). Munich: C. H. Beck. p.<span id="mwDQA" typeof="mw:Entity"> </span>188. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwDQE" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwDQI" typeof="mw:Entity"> </span><a href="./Special:BookSources/3-406-35497-1" id="mwDQM" rel="mw:WikiLink" title="Special:BookSources/3-406-35497-1"><bdi id="mwDQQ">3-406-35497-1</bdi></a>.</cite><span about="#mwt21" class="Z3988" id="mwDQU" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Das+Reich+des+Mahdi%3A+Der+Aufstieg+der+Fatimiden&amp;rft.place=Munich&amp;rft.pages=188&amp;rft.pub=C.+H.+Beck&amp;rft.date=1991&amp;rft.isbn=3-406-35497-1&amp;rft.aulast=Halm&amp;rft.aufirst=Heinz&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+5"></span><link about="#mwt21" href="./Category:CS1_German-language_sources_(de)" id="mwDQY" rel="mw:PageProp/Category"/></span>