<a href="https://en.wikipedia.org/wiki/Battle_of_Hatfield_Chase" id="mwGg" rel="mw:WikiLink" title="Battle of Hatfield Chase">Battle of Hatfield Chase</a>: King <a href="https://en.wikipedia.org/wiki/Edwin_of_Northumbria" id="mwGw" rel="mw:WikiLink" title="Edwin of Northumbria">Edwin of Northumbria</a> is defeated and killed by an alliance under <a href="https://en.wikipedia.org/wiki/Penda_of_Mercia" id="mwHA" rel="mw:WikiLink" title="Penda of Mercia">Penda of Mercia</a> and <a href="https://en.wikipedia.org/wiki/Cadwallon_ap_Cadfan" id="mwHQ" rel="mw:WikiLink" title="Cadwallon ap Cadfan">Cadwallon of Gwynedd</a>.<sup about="#mwt20" 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="./October_12#cite_note-2" id="mwHg" style="counter-reset: mw-Ref 2;"><span class="mw-reflink-text" id="mwHw">[2]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-2"><cite about="#mwt17" class="citation book cs1" id="CITEREFWilliam_Bernard_Mac_CabeWilliam_Bernard_MacCabe1847">William Bernard Mac Cabe; William Bernard MacCabe (1847). <a class="external text" href="https://books.google.com/books?id=cgBaAAAAcAAJ&amp;pg=PA258" id="mwB8s" rel="mw:ExtLink nofollow"><i id="mwB8w">A Catholic History of England</i></a>. Newby. p.<span id="mwB80" typeof="mw:Entity"> </span>258.</cite><span about="#mwt17" class="Z3988" id="mwB84" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=A+Catholic+History+of+England&amp;rft.pages=258&amp;rft.pub=Newby&amp;rft.date=1847&amp;rft.au=William+Bernard+Mac+Cabe&amp;rft.au=William+Bernard+MacCabe&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DcgBaAAAAcAAJ%26pg%3DPA258&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AOctober+12"></span></span>