Prince <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Juan_Carlos_I_of_Spain" id="mw1Q" rel="mw:WikiLink" title="Juan Carlos I of Spain">Juan Carlos I of Spain</a> becomes acting head of state, taking over for the country's ailing dictator, Gen. <a href="https://en.wikipedia.org/wiki/Francisco_Franco" id="mw1g" rel="mw:WikiLink" title="Francisco Franco">Francisco Franco</a>.