Juan Esteban Pedernera
...that Juan Esteban Pedernera was interim President of Argentina in 1861, following the death of Santiago Derqui?
...that <b id="mwAyc"><a href="./Juan_Esteban_Pedernera" id="mwAyg" rel="mw:WikiLink" title="Juan Esteban Pedernera">Juan Esteban Pedernera</a></b> was interim <a href="./President_of_Argentina" id="mwAyk" rel="mw:WikiLink" title="President of Argentina">President of Argentina</a> in <a href="./1861" id="mwAyo" rel="mw:WikiLink" title="1861">1861</a>, following the death of <a href="./Santiago_Derqui" id="mwAys" rel="mw:WikiLink" title="Santiago Derqui">Santiago Derqui</a>?