staged a revolt
... that when four-year-old Philip I of Castile inherited Flanders, its cities staged a revolt to get rid of his guardian Maximilian I?
... that when four-year-old <a href="./Philip_I_of_Castile" id="mwAfo" rel="mw:WikiLink" title="Philip I of Castile">Philip I of Castile</a> inherited <a href="./Flanders" id="mwAfs" rel="mw:WikiLink" title="Flanders">Flanders</a>, its cities <b id="mwAfw"><a href="./Flemish_revolts_against_Maximilian_of_Austria" id="mwAf0" rel="mw:WikiLink" title="Flemish revolts against Maximilian of Austria">staged a revolt</a></b> to get rid of his guardian <a href="./Maximilian_I,_Holy_Roman_Emperor" id="mwAf4" rel="mw:WikiLink" title="Maximilian I, Holy Roman Emperor">Maximilian I</a>?