In the United States, <a href="https://en.wikipedia.org/wiki/KDKA_(AM)" id="mwdw" rel="mw:WikiLink" title="KDKA (AM)">KDKA</a> of <a href="https://en.wikipedia.org/wiki/Pittsburgh" id="mweA" rel="mw:WikiLink" title="Pittsburgh">Pittsburgh</a> starts broadcasting as the first commercial <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Radio_station" id="mweQ" rel="mw:WikiLink" title="Radio station">radio station</a>. The first broadcast is the result of the <a href="https://en.wikipedia.org/wiki/1920_United_States_presidential_election" id="mweg" rel="mw:WikiLink" title="1920 United States presidential election">1920 United States presidential election</a>.<sup about="#mwt75" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-13"}}' id="cite_ref-13" rel="dc:references" typeof="mw:Extension/ref"><a href="./November_2#cite_note-13" id="mwew" style="counter-reset: mw-Ref 13;"><span class="mw-reflink-text" id="mwfA">[13]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-13"><cite about="#mwt72" class="citation web cs1" id="CITEREFDavis2010">Davis, Brett (Fall 2010). <a class="external text" href="https://pabook.libraries.psu.edu/literary-cultural-heritage-map-pa/feature-articles/kdka-broadcastings-pioneer-station" id="mwCEQ" rel="mw:ExtLink nofollow">"KDKA: Broadcasting's Pioneer Station"</a>. <i id="mwCEU">Pennsylvania Center for the Book</i><span class="reference-accessdate" id="mwCEY">. Retrieved <span class="nowrap" id="mwCEc">2 December</span> 2022</span>.</cite><span about="#mwt72" class="Z3988" id="mwCEg" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Pennsylvania+Center+for+the+Book&amp;rft.atitle=KDKA%3A+Broadcasting%27s+Pioneer+Station&amp;rft.ssn=fall&amp;rft.date=2010&amp;rft.aulast=Davis&amp;rft.aufirst=Brett&amp;rft_id=https%3A%2F%2Fpabook.libraries.psu.edu%2Fliterary-cultural-heritage-map-pa%2Ffeature-articles%2Fkdka-broadcastings-pioneer-station&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ANovember+2"></span></span>