Botswana and Namibia
... that as of 2008, there is no treaty covering the border between Botswana and Namibia, which remains as defined in a treaty signed between the British and German Empires in 1890?
... that as of 2008, there is no treaty covering the <a href="./Border" id="mwBJA" rel="mw:WikiLink" title="Border">border</a> between <b id="mwBJE"><a href="./Botswana–Namibia_relations" id="mwBJI" rel="mw:WikiLink" title="Botswana–Namibia relations">Botswana and Namibia</a></b>, which remains as defined in a treaty signed between the <a href="./British_Empire" id="mwBJM" rel="mw:WikiLink" title="British Empire">British</a> and <a href="./German_Empire" id="mwBJQ" rel="mw:WikiLink" title="German Empire">German Empires</a> in 1890?