Seven people are killed in the <a href="https://en.wikipedia.org/wiki/Mussel_Slough_Tragedy" id="mwXQ" rel="mw:WikiLink" title="Mussel Slough Tragedy">Mussel Slough Tragedy</a>, a gun battle in California.<sup about="#mwt86" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-12"}}' id="cite_ref-12" rel="dc:references" typeof="mw:Extension/ref"><a href="./May_11#cite_note-12" id="mwXg" style="counter-reset: mw-Ref 12;"><span class="mw-reflink-text" id="mwXw">[12]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-12"><cite about="#mwt83" class="citation web cs1" id="CITEREFOffice_of_Historic_Preservation"><a class="external text" href="http://ohp.parks.ca.gov/default.asp?page_id=21424" id="mwBWY" rel="mw:ExtLink nofollow">"Kings County"</a>. <i id="mwBWc">California Historical Landmarks</i>. California Office of Historic Preservation<span class="reference-accessdate" id="mwBWg">. Retrieved <span class="nowrap" id="mwBWk">September 12,</span> 2005</span>.</cite><span about="#mwt83" class="Z3988" id="mwBWo" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=California+Historical+Landmarks&amp;rft.atitle=Kings+County&amp;rft_id=http%3A%2F%2Fohp.parks.ca.gov%2Fdefault.asp%3Fpage_id%3D21424&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMay+11"></span></span>