The <a href="https://en.wikipedia.org/wiki/Kingdom_of_Yugoslavia" id="mw7w" rel="mw:WikiLink" title="Kingdom of Yugoslavia">Kingdom of Yugoslavia</a> joins the <a href="https://en.wikipedia.org/wiki/Axis_powers" id="mw8A" rel="mw:WikiLink" title="Axis powers">Axis powers</a> with the signing of the <a href="https://en.wikipedia.org/wiki/Tripartite_Pact" id="mw8Q" rel="mw:WikiLink" title="Tripartite Pact">Tripartite Pact</a>.