▁Bon in ' s ▁I ▁Corps ▁at ▁Tra uten au ▁( Tr ut nov , ▁ 2 7 ▁June ▁ 1 8 6 6 ) ▁in ▁the ▁only ▁Aust rian ▁victory ▁against ▁the ▁Pr us si ans , ▁G lab enz ' s ▁position ▁became ▁un ten able ▁due ▁to ▁the ▁Aust rian ▁loss ▁at ▁N á chod ▁and ▁the ▁Pr uss ian ▁Guard ▁Corps ' ▁advance ▁towards ▁E ip el ▁( Up ice ), ▁and ▁he ▁was ▁ordered ▁to ▁retre at ▁towards ▁Pra us nitz ▁to ▁block ▁the ▁Pr uss ian ▁Gu ards . ▁The ▁next ▁day ▁at ▁Bur k ers dorf , ▁Gab len z ▁managed ▁to ▁extr icate ▁his ▁corps ▁though ▁with ▁heavy ▁cas ual ties . ▁After ▁re unit ing ▁with ▁the ▁main ▁army ▁Gab len z ▁and ▁X ▁Corps ▁fought ▁at ▁König gr ätz ▁( H ra dec ▁K rá lov é ). ▁ ▁After ▁the ▁war ▁he ▁became ▁command ing ▁general ▁in ▁Cro atia ▁and ▁S lav onia ▁( J une ▁ 1 8 6 7 ). ▁In ▁April ▁ 1 8 6 8 ▁he ▁was ▁promoted ▁to ▁General ▁der ▁K av all erie ▁and ▁made ▁the ▁command ing ▁general ▁in ▁Hung ary ▁in ▁July ▁ 1 8 6 9 . ▁▁ ▁Following ▁the ▁stock ▁market ▁crash ▁of ▁ 1 8 7 3 ▁Gab len z ▁was ▁pl ag ued ▁by ▁deb t ▁and ▁fear ing ▁the ▁loss ▁of ▁Emperor ▁Franz ▁Joseph ' s ▁confidence ▁he ▁committed ▁suic ide ▁in ▁Zürich ▁on ▁ 2 8 ▁January ▁