Gare gare muchato usina kubvumidzwa waIsabella naFerdinand weAragon wakaita kuti Henry IV arambe chibvumirano chacho. Somuuyo Mambo akabvuma zvakare kodzero dzomwanasikana wake Joanna muhurumende yakaitika muna 25 November 1470. Ichi chakanga chiri chimwe chezviitiko pakupedzisira chakatungamirira kuHondo yeCastilian Succession
makore mashomanana gare gare.