<a href="https://en.wikipedia.org/wiki/South_Kasai" id="mw0w" rel="mw:WikiLink" title="South Kasai">South Kasai</a> secedes from the <a href="https://en.wikipedia.org/wiki/Republic_of_the_Congo_(Léopoldville)" id="mw1A" rel="mw:WikiLink" title="Republic of the Congo (Léopoldville)">Congo</a>.