The United Kingdom signs the <a href="https://en.wikipedia.org/wiki/Sand_River_Convention" id="mwfA" rel="mw:WikiLink" title="Sand River Convention">Sand River Convention</a> with the <a href="https://en.wikipedia.org/wiki/South_African_Republic" id="mwfQ" rel="mw:WikiLink" title="South African Republic">South African Republic</a>.