Which Roman emperor ruled the longest?
Augustus
Titus
Tiberius
Tiberius
Titus
Tiberius
Septimius Severus
Titus
Tiberius
Nero
Tiberius
Titus
Septimius Severus
Nero
Tiberius
Marcus Aurelius
Titus
Nero
Tiberius
Augustus
Septimius Severus
Marcus Aurelius
Nero
Tiberius
Augustus
Trajan
Marcus Aurelius
Domitian
Titus
Nero
Tiberius
Augustus
Maximinus Thrax
Septimius Severus
Trajan
Domitian
Marcus Aurelius
Nero
Augustus
Tiberius
Titus
Trajan
Maximinus Thrax
Constantine the Great
Octavian
Domitian
Septimius Severus
Marcus Aurelius
Augustus
Nero
Claudius
Tiberius
Trajan
Maximinus Thrax
Constantine the Great
Octavian
Domitian
Augustus
Marcus Aurelius
Titus
Nero
Antoninus Pius
Tiberius
Trajan
Titus Augustus
Maximinus Thrax
Constantine the Great
Octavian
Vespasian
Augustus
Septimius Severus
Domitian
Nero
Trajan
Marcus Aurelius
Titus, Trajan
Titus, Augustus
Tiberius
Titus Aelius
Emperor Trajan
Titus Livius
Claudius
Maximinus Thrax
Constantine the Great
Augustus
Titus
Vespasian
Titus Augustus
Domitian
Roman Emperor Trajan
Severus Alexander
Trajan
Nero
Marcus Aurelius
Septimius Severus
Tiberius
Emperor Trajan
Augustus
Maximinus Thrax
Constantine the Great
Vespasian
Domitian
Trajan
Roman Emperor Trajan
Titus Livius
Nero
Titus Augustus
Tiberius
Titus, Trajan
Marcus Aurelius
Titus, Augustus
Roman Emperor Nero
Maximinus Daia
Titus
Titus Aelius
Augustus
Titus the Great
Antoninus Pius
Septimius Severus
Trajan
Claudius
Vespasian
Constantine the Great
Domitian
Roman Emperor Trajan
Nero
Hadrian
Tiberius
Marcus Aurelius
Augustus
Roman Emperor Nero
Maximinus Daia
Titus Livius
Trajan
Titus Augustus
Roman Emperor Augustus
Domitian
Constantine the Great
Hadrian
Constantine I
Titus
Nero
Roman Emperor Trajan
Titus, Trajan
Titus, Augustus
Tiberius
Septimius Severus
Augustus
Severus
Trajan
Maximinus Daia
Marcus Aurelius
Roman Emperor Hadrian
Roman Emperor Augustus
Hadrian
Domitian
Severus Alexander
Titus Augustus
Constantine I
Nero
Titus Caesar
Antoninus Pius
Augustus
Roman Emperor Trajan
Tiberius
Octavianus
Titus Livius
Roman Emperor Tiberius
Trajan
Marcus Aurelius
Maximinus Daia
Titus
Hadrian
Septimius Severus
Titus, Trajan
Roman Emperor Hadrian
Domitian
Roman Emperor Augustus
Emperor Trajan
Augustus
Constantine I
Nero
Tiberius
Roman Emperor Trajan
Titus, Augustus
Trajan
Octavianus
Trajan, Trajan
Severus Augustus
Claudius
Hadrian
Titus Caesar
Titus
Titus Livius
Maximinus Daia
Domitian
Antoninus Pius
Roman Emperor Hadrian
Augustus
Marcus Aurelius
Constantine I