how does chronicle of a death foretold connected to history?

Gabriel Garcia Marquez's novel, Chronicle of a Death Foretold, is a hybrid of literary genres, at once a journalistic account of a historical murder that took place in Sucre, Columbia. On January 22, 1951, two brothers in the Chica family murdered Cayetano Gentile Chimento, because he has sex with their sister, Margarita Chica Salas, before her marriage to Miguel Reyes Palencia. When Miguel discovered her lack of virginity, he returned Margarita to the Chica Salas family, at which point they discovered and killed the man who had deflowered her. The work is not pure history, however, in that it stages the murder in a narrative fashion and takes several fictional liberties in telling the story.