A <a href="https://en.wikipedia.org/wiki/1169_Sicily_earthquake" id="mwIw" rel="mw:WikiLink" title="1169 Sicily earthquake">strong earthquake</a> strikes the Ionian coast of Sicily, causing tens of thousands of injuries and deaths, especially in <a href="https://en.wikipedia.org/wiki/Catania" id="mwJA" rel="mw:WikiLink" title="Catania">Catania</a>.<sup about="#mwt25" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-3"}}' id="cite_ref-3" rel="dc:references" typeof="mw:Extension/ref"><a href="./February_4#cite_note-3" id="mwJQ" style="counter-reset: mw-Ref 3;"><span class="mw-reflink-text" id="mwJg">[3]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-3"><cite about="#mwt22" class="citation book cs1" id="CITEREFFalcando1998">Falcando, Ugo (1998). <a class="external text" href="https://books.google.com/books?id=LlkpnG1iAEwC&amp;pg=PA216" id="mwBdc" rel="mw:ExtLink nofollow"><i id="mwBdg">The History of the Tyrants of Sicily by "Hugo Falcandus," 1154–69</i></a>. Manchester University Press. p.<span id="mwBdk" typeof="mw:Entity"> </span>216. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBdo" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBds" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-7190-5435-8" id="mwBdw" rel="mw:WikiLink" title="Special:BookSources/978-0-7190-5435-8"><bdi id="mwBd0">978-0-7190-5435-8</bdi></a>.</cite><span about="#mwt22" class="Z3988" id="mwBd4" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+History+of+the+Tyrants+of+Sicily+by+%22Hugo+Falcandus%2C%22+1154%E2%80%9369&amp;rft.pages=216&amp;rft.pub=Manchester+University+Press&amp;rft.date=1998&amp;rft.isbn=978-0-7190-5435-8&amp;rft.aulast=Falcando&amp;rft.aufirst=Ugo&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DLlkpnG1iAEwC%26pg%3DPA216&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AFebruary+4"></span></span>