<a href="https://en.wikipedia.org/wiki/World_War_I" id="mwfg" rel="mw:WikiLink" title="World War I">World War I</a>: Combined Austro-Hungarian and German <a href="https://en.wikipedia.org/wiki/Central_Powers" id="mwfw" rel="mw:WikiLink" title="Central Powers">Central Powers</a>, reinforced by the recently joined <a href="https://en.wikipedia.org/wiki/Kingdom_of_Bulgaria" id="mwgA" rel="mw:WikiLink" title="Kingdom of Bulgaria">Bulgaria</a> launched a new offensive against <a href="https://en.wikipedia.org/wiki/Kingdom_of_Serbia" id="mwgQ" rel="mw:WikiLink" title="Kingdom of Serbia">Serbia</a> under command of <a href="https://en.wikipedia.org/wiki/August_von_Mackensen" id="mwgg" rel="mw:WikiLink" title="August von Mackensen">August von Mackensen</a> .<sup about="#mwt23" 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_6#cite_note-2" id="mwgw" style="counter-reset: mw-Ref 2;"><span class="mw-reflink-text" id="mwhA">[2]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-2"><cite about="#mwt20" class="citation book cs1" id="CITEREFFalls1996"><a href="./Cyril_Falls" id="mwB1g" rel="mw:WikiLink" title="Cyril Falls">Falls, C.</a> (1996) [1933]. <i id="mwB1k">Military Operations Macedonia: From the Outbreak of War to the Spring of 1917</i>. History of the Great War Based on Official Documents by Direction of the Historical Section of the Committee of Imperial Defence. Vol.<span id="mwB1o" typeof="mw:Entity"> </span>I (Imperial War Museum and Battery Press<span id="mwB1s" typeof="mw:Entity"> </span>ed.). London: <a class="mw-redirect" href="./HMSO" id="mwB1w" rel="mw:WikiLink" title="HMSO">HMSO</a>. pp.<span id="mwB10" typeof="mw:Entity"> </span>22–33. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB14" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB18" typeof="mw:Entity"> </span><a href="./Special:BookSources/0-89839-242-X" id="mwB2A" rel="mw:WikiLink" title="Special:BookSources/0-89839-242-X"><bdi id="mwB2E">0-89839-242-X</bdi></a>.</cite><span about="#mwt20" class="Z3988" id="mwB2I" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Military+Operations+Macedonia%3A+From+the+Outbreak+of+War+to+the+Spring+of+1917&amp;rft.place=London&amp;rft.series=History+of+the+Great+War+Based+on+Official+Documents+by+Direction+of+the+Historical+Section+of+the+Committee+of+Imperial+Defence&amp;rft.pages=22-33&amp;rft.edition=Imperial+War+Museum+and+Battery+Press&amp;rft.pub=HMSO&amp;rft.date=1996&amp;rft.isbn=0-89839-242-X&amp;rft.aulast=Falls&amp;rft.aufirst=C.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AOctober+6"></span></span>