The <a href="https://en.wikipedia.org/wiki/French_First_Republic" id="mwZg" rel="mw:WikiLink" title="French First Republic">French First Republic</a> adopts the <a href="https://en.wikipedia.org/wiki/Kilogram" id="mwZw" rel="mw:WikiLink" title="Kilogram">kilogram</a> and <a href="https://en.wikipedia.org/wiki/Gram" id="mwaA" rel="mw:WikiLink" title="Gram">gram</a> as its primary unit of mass.<sup about="#mwt62" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-9"}}' id="cite_ref-9" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_7#cite_note-9" id="mwaQ" style="counter-reset: mw-Ref 9;"><span class="mw-reflink-text" id="mwag">[9]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-9"><cite about="#mwt59" class="citation web cs1" id="mwCL4"><a class="external text" href="https://ukma.org.uk/press/metrication-timeline/" id="mwCL8" rel="mw:ExtLink nofollow">"Metrication timeline"</a>. <i id="mwCMA">UK Metric Association</i>. 2017-07-06<span class="reference-accessdate" id="mwCME">. Retrieved <span class="nowrap" id="mwCMI">2022-08-16</span></span>.</cite><span about="#mwt59" class="Z3988" id="mwCMM" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=UK+Metric+Association&amp;rft.atitle=Metrication+timeline&amp;rft.date=2017-07-06&amp;rft_id=https%3A%2F%2Fukma.org.uk%2Fpress%2Fmetrication-timeline%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+7"></span></span>