Although Perón had undergone a hysterectomy performed by the American surgeon George T. Pack , the cancer had metastasized and returned rapidly . She was the first Argentine to undergo chemotherapy ( a novel treatment at that time ) . Despite all available treatment , she became emaciated , weighing only 36 kg ( 79 lb ) by June 1952 . Evita died at the age of 33 , at 20 : 25 on Saturday , 26 July 1952 . Radio broadcasts throughout the country was interrupted with the announcement that " The Press Secretary 's Office of the Presidency of the Nation fulfill its very sad duty to inform the people of the Republic that at 20 : 25 hours Mrs. Eva Perón , Spiritual Leader of the Nation , died . " Ordinary activities ceased ; movies stopped playing ; restaurants was closed and patrons was shown to the door .