ia.org/wiki/French_constitutional_referendum,_1815" title="French constitutional referendum, 1815">1815</a></li>
<li><a href="//en.wikipedia.org/wiki/French_constitutional_referendum,_1851" title="French constitutional referendum, 1851">1851</a></li>
<li><a href="//en.wikipedia.org/wiki/French_Second_Empire_referendum,_1852" title="French Second Empire referendum, 1852">1852</a></li>
<li><a href="//en.wikipedia.org/wiki/French_constitutional_referendum,_1870" title="French constitutional referendum, 1870">1