Trajan
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Trajan
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97 Emperor Nerva is forced by the Praetorian Guard, to adopt general Marcus Ulpius Trajanus as his heir and successor.
98 Trajan becomes Roman Emperor after the death of Nerva.
109 The Aqua Traiana is inaugurated by emperor Trajan, the aqueduct channels water from Lake Bracciano, 40 kilometers (25 miles) north-west of Rome.