World War II: <a href="https://en.wikipedia.org/wiki/Kingdom_of_Romania" id="mwjg" rel="mw:WikiLink" title="Kingdom of Romania">Romania</a> becomes a signatory of the <a href="https://en.wikipedia.org/wiki/Tripartite_Pact" id="mwjw" rel="mw:WikiLink" title="Tripartite Pact">Tripartite Pact</a>, officially joining the <a href="https://en.wikipedia.org/wiki/Axis_powers#Romania" id="mwkA" rel="mw:WikiLink" title="Axis powers">Axis powers</a>.