A ceasefire is negotiated between <a href="https://en.wikipedia.org/wiki/Bolivia" id="mwxA" rel="mw:WikiLink" title="Bolivia">Bolivia</a> and <a href="https://en.wikipedia.org/wiki/Paraguay" id="mwxQ" rel="mw:WikiLink" title="Paraguay">Paraguay</a>, ending the <a href="https://en.wikipedia.org/wiki/Chaco_War" id="mwxg" rel="mw:WikiLink" title="Chaco War">Chaco War</a>.