Complex sentence: At the 1963 trial of Jean Bastien-Thiry, who attempted to assassinate President de Gaulle, defence lawyers referred to the Oran massacre and claimed that Bastien-Thiry's act was justified because de Gaulle caused a genocide of Algeria's European population.
Split into simpler sentences: At the 1963 trial of Jean Bastien-Thiry, who attempted to assassinate President de Gaulle, defence lawyers referred to the Oran massacre. They said that Bastien-Thiry's act was justified because de Gaulle caused a genocide of Algeria's European population.