t Petersburg Mining Institute">Saint Petersburg Mining Institute</a>. More than 300 floods have occurred since the city was founded in 1703.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span>[</span>2<span>]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span>[</span>3<span>]</span></a></sup></p>
<p>The construction of <a href="//en.wikipedia.org/wiki/Saint_Pe