The <a href="https://en.wikipedia.org/wiki/1920_Summer_Olympics" id="mw5w" rel="mw:WikiLink" title="1920 Summer Olympics">1920 Summer Olympics</a>, having started four months earlier, officially open in <a href="https://en.wikipedia.org/wiki/Antwerp" id="mw6A" rel="mw:WikiLink" title="Antwerp">Antwerp</a>, <a href="https://en.wikipedia.org/wiki/Belgium" id="mw6Q" rel="mw:WikiLink" title="Belgium">Belgium</a>, with the newly-adopted <a href="https://en.wikipedia.org/wiki/Olympic_symbols#Different_types_of_flags" id="mw6g" rel="mw:WikiLink" title="Olympic symbols">Olympic flag</a> and the Olympic oath being raised and taken at the Opening Ceremony for the first time in Olympic history.<sup about="#mwt147" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-27"}}' id="cite_ref-27" rel="dc:references" typeof="mw:Extension/ref"><a href="./August_14#cite_note-27" id="mw6w" style="counter-reset: mw-Ref 27;"><span class="mw-reflink-text" id="mw7A">[27]</span></a></sup><sup about="#mwt151" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-28"}}' id="cite_ref-28" rel="dc:references" typeof="mw:Extension/ref"><a href="./August_14#cite_note-28" id="mw7Q" style="counter-reset: mw-Ref 28;"><span class="mw-reflink-text" id="mw7g">[28]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-27"><cite about="#mwt144" class="citation book cs1" id="CITEREFFindling2004">Findling, John E. (2004). <a class="external text" href="https://books.google.com/books?id=QmXi_-Jujj0C&amp;q=olympic+games+1920+antwerp+opening+ceremony&amp;pg=PA74" id="mwCGo" rel="mw:ExtLink nofollow"><i id="mwCGs">Encyclopedia of the Modern Olympic Movement</i></a>. Greenwood. p.<span id="mwCGw" typeof="mw:Entity"> </span>74. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCG0" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCG4" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780313322785" id="mwCG8" rel="mw:WikiLink" title="Special:BookSources/9780313322785"><bdi id="mwCHA">9780313322785</bdi></a>.</cite><span about="#mwt144" class="Z3988" id="mwCHE" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Encyclopedia+of+the+Modern+Olympic+Movement&amp;rft.pages=74&amp;rft.pub=Greenwood&amp;rft.date=2004&amp;rft.isbn=9780313322785&amp;rft.aulast=Findling&amp;rft.aufirst=John+E.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DQmXi_-Jujj0C%26q%3Dolympic%2Bgames%2B1920%2Bantwerp%2Bopening%2Bceremony%26pg%3DPA74&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAugust+14"></span></span>