diplomatic relations between Mexico and Singapore
... that diplomatic relations between Mexico and Singapore were officially established only in 1975 although Singapore took part in the 1968 Summer Olympics in Mexico City?
... that <b id="mwAbw"><a href="./Mexico–Singapore_relations" id="mwAb0" rel="mw:WikiLink" title="Mexico–Singapore relations">diplomatic relations between Mexico and Singapore</a></b> were officially established only in 1975 although Singapore took part in the <a href="./1968_Summer_Olympics" id="mwAb4" rel="mw:WikiLink" title="1968 Summer Olympics">1968 Summer Olympics</a> in <a href="./Mexico_City" id="mwAb8" rel="mw:WikiLink" title="Mexico City">Mexico City</a>?