 Zita of Bourbon @-@ Parma ( Zita Maria delle Grazie <unk> Micaela <unk> Gabriella Giuseppina Antonia Luisa <unk> ; 9 May 1892 – 14 March 1989 ) was the wife of Emperor Charles of Austria . As such , she was the last Empress of Austria , Queen of Hungary , and Queen of Bohemia . 
