Vietnam War: The <a href="https://en.wikipedia.org/wiki/Easter_Offensive" id="mw9w" rel="mw:WikiLink" title="Easter Offensive">Easter Offensive</a> begins after <a href="https://en.wikipedia.org/wiki/North_Vietnam" id="mw-A" rel="mw:WikiLink" title="North Vietnam">North Vietnamese</a> forces cross into the <a href="https://en.wikipedia.org/wiki/Vietnamese_Demilitarized_Zone" id="mw-Q" rel="mw:WikiLink" title="Vietnamese Demilitarized Zone">Demilitarized Zone</a> (DMZ) of <a href="https://en.wikipedia.org/wiki/South_Vietnam" id="mw-g" rel="mw:WikiLink" title="South Vietnam">South Vietnam</a>.<sup about="#mwt56" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-9"}}' id="cite_ref-9" rel="dc:references" typeof="mw:Extension/ref"><a href="./March_30#cite_note-9" id="mw-w" style="counter-reset: mw-Ref 9;"><span class="mw-reflink-text" id="mw_A">[9]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-9"><cite about="#mwt53" class="citation journal cs1" id="CITEREFHead2017">Head, William P. (2017). "Dirty Little Secret in the Land of a Million Elephants: Barrel Roll and the Lost War". <i id="mwBzk">Air Power History</i>. <b id="mwBzo">64</b> (4): 23–24. <a class="mw-redirect" href="./ISSN_(identifier)" id="mwBzs" rel="mw:WikiLink" title="ISSN (identifier)">ISSN</a><span id="mwBzw" typeof="mw:Entity"> </span><a class="external text" href="https://www.worldcat.org/issn/1044-016X" id="mwBz0" rel="mw:ExtLink nofollow">1044-016X</a>. <a class="mw-redirect" href="./JSTOR_(identifier)" id="mwBz4" rel="mw:WikiLink" title="JSTOR (identifier)">JSTOR</a><span id="mwBz8" typeof="mw:Entity"> </span><a class="external text" href="https://www.jstor.org/stable/26571062" id="mwB0A" rel="mw:ExtLink nofollow">26571062</a>.</cite><span about="#mwt53" class="Z3988" id="mwB0E" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Air+Power+History&amp;rft.atitle=Dirty+Little+Secret+in+the+Land+of+a+Million+Elephants%3A+Barrel+Roll+and+the+Lost+War&amp;rft.volume=64&amp;rft.issue=4&amp;rft.pages=23-24&amp;rft.date=2017&amp;rft_id=https%3A%2F%2Fwww.jstor.org%2Fstable%2F26571062%23id-name%3DJSTOR&amp;rft.issn=1044-016X&amp;rft.aulast=Head&amp;rft.aufirst=William+P.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMarch+30"></span></span>