The <a href="https://en.wikipedia.org/wiki/Piazza_Fontana_bombing" id="mwrQ" rel="mw:WikiLink" title="Piazza Fontana bombing">Piazza Fontana bombing</a>; a bomb explodes at the headquarters of <a href="https://en.wikipedia.org/wiki/Banca_Nazionale_dell'Agricoltura" id="mwrg" rel="mw:WikiLink" title="Banca Nazionale dell'Agricoltura">Banca Nazionale dell'Agricoltura</a> (the National Agricultural Bank) in Piazza Fontana in Milan, Italy, killing 17 people and wounding 88. The same afternoon, three more bombs are detonated in Rome and Milan, and another is found unexploded.<sup about="#mwt112" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"bull"},"body":{"id":"mw-reference-text-cite_note-bull-20"}}' id="cite_ref-bull_20-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./December_12#cite_note-bull-20" id="mwrw" style="counter-reset: mw-Ref 20;"><span class="mw-reflink-text" id="mwsA">[20]</span></a></sup>