The <a href="https://en.wikipedia.org/wiki/Rocky_Mountain_National_Park" id="mwqg" rel="mw:WikiLink" title="Rocky Mountain National Park">Rocky Mountain National Park</a> is established by an act of the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/U.S._Congress" id="mwqw" rel="mw:WikiLink" title="U.S. Congress">U.S. Congress</a>.<sup about="#mwt117" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-20"}}' id="cite_ref-20" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_26#cite_note-20" id="mwrA" style="counter-reset: mw-Ref 20;"><span class="mw-reflink-text" id="mwrQ">[20]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-20"><cite about="#mwt114" class="citation web cs1" id="mwCGw"><a class="external text" href="https://web.archive.org/web/20161008183733/https://www.nps.gov/romo/learn/historyculture/brief.htm" id="mwCG0" rel="mw:ExtLink nofollow">"Brief Park History"</a>. <i id="mwCG4">nps.gov</i>. National Park Service. n.d. Archived from <a class="external text" href="https://www.nps.gov/romo/learn/historyculture/brief.htm" id="mwCG8" rel="mw:ExtLink nofollow">the original</a> on October 8, 2016<span class="reference-accessdate" id="mwCHA">. Retrieved <span class="nowrap" id="mwCHE">December 4,</span> 2016</span>.</cite><span about="#mwt114" class="Z3988" id="mwCHI" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=nps.gov&amp;rft.atitle=Brief+Park+History&amp;rft_id=https%3A%2F%2Fwww.nps.gov%2Fromo%2Flearn%2Fhistoryculture%2Fbrief.htm&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+26"></span></span>