<a href="https://en.wikipedia.org/wiki/Bari" id="mwGg" rel="mw:WikiLink" title="Bari">Bari</a>, the last <a href="https://en.wikipedia.org/wiki/Byzantine_Empire" id="mwGw" rel="mw:WikiLink" title="Byzantine Empire">Byzantine</a> possession in southern Italy, <a href="https://en.wikipedia.org/wiki/Siege_of_Bari" id="mwHA" rel="mw:WikiLink" title="Siege of Bari">is surrendered</a> to <a href="https://en.wikipedia.org/wiki/Robert_Guiscard" id="mwHQ" rel="mw:WikiLink" title="Robert Guiscard">Robert Guiscard</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="./April_15#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="#mwt20" class="citation book cs1" id="CITEREFVryonis1997">Vryonis, Spyros P. Jr. (1997). "Byzantine Society and Civilization". In Evans, Helen C.; Wixom, William D. (eds.). <a class="external text" href="https://books.google.com/books?id=Caqa12aj55wC" id="mwBug" rel="mw:ExtLink nofollow"><i id="mwBuk">The Glory of Byzantium: Art and Culture of the Middle Byzantine Era, A.D. 843-1261</i></a>. New York: Metropolitan Museum of Art. p.<span id="mwBuo" typeof="mw:Entity"> </span>15. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBus" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBuw" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780870997778" id="mwBu0" rel="mw:WikiLink" title="Special:BookSources/9780870997778"><bdi id="mwBu4">9780870997778</bdi></a>.</cite><span about="#mwt20" class="Z3988" id="mwBu8" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Byzantine+Society+and+Civilization&amp;rft.btitle=The+Glory+of+Byzantium%3A+Art+and+Culture+of+the+Middle+Byzantine+Era%2C+A.D.+843-1261&amp;rft.place=New+York&amp;rft.pages=15&amp;rft.pub=Metropolitan+Museum+of+Art&amp;rft.date=1997&amp;rft.isbn=9780870997778&amp;rft.aulast=Vryonis&amp;rft.aufirst=Spyros+P.+Jr.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DCaqa12aj55wC&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+15"></span></span>