2012 SCO summit
... that the 2012 SCO summit brought Afghanistan and Turkey into the supranational union as observer and dialogue partner respectively?
... that the <b id="mwAiU"><a href="./2012_SCO_summit" id="mwAiY" rel="mw:WikiLink" title="2012 SCO summit">2012 SCO summit</a></b> brought Afghanistan and Turkey into the <a href="./Supranational_union" id="mwAic" rel="mw:WikiLink" title="Supranational union">supranational union</a> as observer and dialogue partner respectively?