An <a href="https://en.wikipedia.org/wiki/Kingdom_of_Italy" id="mwAVM" rel="mw:WikiLink" title="Kingdom of Italy">Italian</a> submarine torpedoes and sinks the <a about="#mwt39" data-mw='{"parts":[{"template":{"target":{"wt":"ship","href":"./Template:Ship"},"params":{"1":{"wt":"Greek cruiser"},"2":{"wt":"Elli"},"3":{"wt":"1912"},"4":{"wt":"6"}},"i":0}}]}' href="https://en.wikipedia.org/wiki/Greek_cruiser_Elli_(1912)" id="mwAVQ" rel="mw:WikiLink" title="Greek cruiser Elli (1912)" typeof="mw:Transclusion">Greek cruiser<span typeof="mw:Entity"> </span><i>Elli</i></a> at <a href="https://en.wikipedia.org/wiki/Tinos" id="mwAVU" rel="mw:WikiLink" title="Tinos">Tinos</a> harbor during peacetime, marking the most serious Italian provocation prior to the outbreak of the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Greco-Italian_War" id="mwAVY" rel="mw:WikiLink" title="Greco-Italian War">Greco-Italian War</a> in October.