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