France invades the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Roman_Republic_(1849)" id="mwVQ" rel="mw:WikiLink" title="Roman Republic (1849)">Roman Republic</a> and restores the <a href="https://en.wikipedia.org/wiki/Papal_States" id="mwVg" rel="mw:WikiLink" title="Papal States">Papal States</a>.