"19 February 1937" . . . . . . . . "murderous retribution" . "attempt on Viceroy Graziani\u2019s life in Addis Ababa on 19 February 1937" . . "massacre the inhabitants of this monastery" . . . . . . "Crackdown" . . "the reprisals" . "Yekatit 12 massacre" . . . "a failed assassination attempt" . "assassination attempt" . "the atrocities" . . "Fascist Italy's war crimes" . "Yekatit 12" . . "reprisal massacre" . . . . . "Yekatit 12" . . "attempt on Graziani's life" . . "unsuccessful attempt" .