Complex sentence: When Rimbaud announced he planned to leave while they stayed in Brussels in July 1873, Verlaine fired two shots from his revolver, wounding Rimbaud once, and after subsequent threats of violence Verlaine was arrested and incarcerated to two years hard labour.
Split into simpler sentences: When Rimbaud announced he planned to leave while they were staying in Brussels in July 1873, Verlaine fired two shots from his revolver, wounding Rimbaud once. After subsequent threats of violence, Verlaine was arrested and incarcerated to two years hard labour.