The <a href="https://en.wikipedia.org/wiki/Greek–Serbian_Alliance_of_1913" id="mw1A" rel="mw:WikiLink" title="Greek–Serbian Alliance of 1913">Greek–Serbian Treaty of Alliance</a> is signed, paving the way for the <a href="https://en.wikipedia.org/wiki/Second_Balkan_War" id="mw1Q" rel="mw:WikiLink" title="Second Balkan War">Second Balkan War</a>.