World War II: <a href="https://en.wikipedia.org/wiki/Axis_capture_of_Tobruk" id="mwqQ" rel="mw:WikiLink" title="Axis capture of Tobruk">Tobruk falls</a> to Italian and German forces; 33,000 Allied troops are taken prisoner.<sup about="#mwt42" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-7"}}' id="cite_ref-7" rel="dc:references" typeof="mw:Extension/ref"><a href="./June_21#cite_note-7" id="mwqg" style="counter-reset: mw-Ref 7;"><span class="mw-reflink-text" id="mwqw">[7]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-7"><ul id="mwCEY"><li id="mwCEc"><cite about="#mwt39" class="citation book cs1" id="CITEREFPlayfair2004"><a href="./I._S._O._Playfair" id="mwCEk" rel="mw:WikiLink" title="I. S. O. Playfair">Playfair, I. S. O.</a> (2004). <a class="external text" href="http://www.ibiblio.org/hyperwar/NHC/NewPDFs/UK/UK%20MME-3.pdf" id="mwCEo" rel="mw:ExtLink nofollow"><i id="mwCEs">The History of the Second World War - The Mediterranean and Middle East: British Fortunes Reach Their Lowest Ebb</i></a> <span class="cs1-format" id="mwCEw">(PDF)</span>. Vol.<span id="mwCE0" typeof="mw:Entity"> </span>III (pbk. repr. Naval and Military Press, Uckfield<span id="mwCE4" typeof="mw:Entity"> </span>ed.). London: HMSO. pp.<span id="mwCE8" typeof="mw:Entity"> </span>266–274. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCFA" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCFE" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-1-84574-067-2" id="mwCFI" rel="mw:WikiLink" title="Special:BookSources/978-1-84574-067-2"><bdi id="mwCFM">978-1-84574-067-2</bdi></a>.</cite><span about="#mwt39" class="Z3988" id="mwCFQ" 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+Second+World+War+-+The+Mediterranean+and+Middle+East%3A+British+Fortunes+Reach+Their+Lowest+Ebb&amp;rft.place=London&amp;rft.pages=266-274&amp;rft.edition=pbk.+repr.+Naval+and+Military+Press%2C+Uckfield&amp;rft.pub=HMSO&amp;rft.date=2004&amp;rft.isbn=978-1-84574-067-2&amp;rft.aulast=Playfair&amp;rft.aufirst=I.+S.+O.&amp;rft_id=http%3A%2F%2Fwww.ibiblio.org%2Fhyperwar%2FNHC%2FNewPDFs%2FUK%2FUK%2520MME-3.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJune+21"></span></li></ul></span>