The <a href="https://en.wikipedia.org/wiki/Sydney_Harbour_Bridge" id="mwgw" rel="mw:WikiLink" title="Sydney Harbour Bridge">Sydney Harbour Bridge</a> is opened.<sup about="#mwt45" 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="./March_19#cite_note-7" id="mwhA" style="counter-reset: mw-Ref 7;"><span class="mw-reflink-text" id="mwhQ">[7]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-7"><cite about="#mwt42" class="citation web cs1" id="mwBlA"><a class="external text" href="https://www.nma.gov.au/defining-moments/resources/sydney-harbour-bridge-opens" id="mwBlE" rel="mw:ExtLink nofollow">"National Museum of Australia - Sydney Harbour Bridge opens"</a>. <i id="mwBlI">www.nma.gov.au</i><span class="reference-accessdate" id="mwBlM">. Retrieved <span class="nowrap" id="mwBlQ">17 October</span> 2021</span>.</cite><span about="#mwt42" class="Z3988" id="mwBlU" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=www.nma.gov.au&amp;rft.atitle=National+Museum+of+Australia+-+Sydney+Harbour+Bridge+opens&amp;rft_id=https%3A%2F%2Fwww.nma.gov.au%2Fdefining-moments%2Fresources%2Fsydney-harbour-bridge-opens&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMarch+19"></span></span>