Year 56 (LVI) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. Events By place Roman Empire War between Rome and Parthia breaks out due to the invasion of Armenia by Vologases, who'd replaced the Roman supported ruler with his brother Tiridates of Parthia. Publius Clodius Thrasea Paetus becomes a consul in Rome. Asia The Jianwu era of the Eastern Han Dynasty changes to the Jianwuzhongyuan era. Births Gaius Cornelius Tacitus, Roman historia… (More on 56)