Year 97 (XCVII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Roman Empire October 28 — Roman emperor Nerva names Trajan as his adoptive son and successor. By doing so he also averts a threatened mutiny of the Praetorian Guard and other military units. Tacitus advances to consulship. The Roman colony of Cuicul's started in Numidia. Nerva recognizes the Sanhedrin of Jamnia as an official governmental body of the Jews… (More on 97)