Plongeur
...that the French submarine Plongeur, built in 1863, was the first submarine in the world not to use human power for propulsion?
...that the <a href="./France" id="mwBMQ" rel="mw:WikiLink" title="France">French</a> <a href="./Submarine" id="mwBMU" rel="mw:WikiLink" title="Submarine">submarine</a> <i id="mwBMY"><b id="mwBMc"><a class="mw-disambig" href="./Plongeur" id="mwBMg" rel="mw:WikiLink" title="Plongeur">Plongeur</a></b></i>, built in <a href="./1863" id="mwBMk" rel="mw:WikiLink" title="1863">1863</a>, was the first submarine in the world not to use human power for <a href="./Propulsion" id="mwBMo" rel="mw:WikiLink" title="Propulsion">propulsion</a>?