| Question | Emperor | Dates of Reign |
| Which Emperor retired before being recalled on his adopted father's death? | |
| Which Emperor was imprisoned in Cappadocia by Constantine the Great then executed? | |
| Which Emperor was installed as Emperor of the West at the age of six in AD 425? | |
| Which Emperor's accession as emperor was the first time a son had succeeded his father since Titus succeeded Vespasian in 79? | |
| Which Emperor ruled briefly with his father before being overthrown within a year? | |
| Which Emperor was Co-Emperor with his adopted brother until his death from food poisoning or smallpox? | |
| Which Emperor according to Gibbon: 'presents the welcome discovery of a great and heroic character, such as sometimes arise, in a degenerate age'? | |
| Which Emperor is variously reported to have reigned from as little as 17 days to as many as 177 in AD 270? | |
| Which Emperor officially abandoned Germania Superior? | |
| Which Emperor was the last to lead a campaign across the Rhine? | |
| Which Emperor was murdered in a palace conspiracy organized by court officials on the 18th September? | |
| Which Emperor fought off two challengers to claim full control of the Empire from AD 193 – AD 197? | |
| Which Emperor died in the Plague of Cyprian in AD 251? | |
| Which Emperor lost an oratory contest with his Co-Emperor which led to his abdication? (He lived on a state pension for the rest of his life) | |
| Which Emperor was assassinated on the orders of the usurper Magnentius in AD 350? | |
| Which Emperor was the last Western Roman Emperor? | |
| Which Emperor died in battle outside of Carthage trying to overthrow the Emperor with his father? | |
| Which Emperor was appointed Caesar by his father. In 247 he became consul, and later elevated by his father to the rank of Augustus and co-ruler? | |
| Which Emperor died in a failed invasion of Italy in AD 340? | |
| Which Emperor was found hanged in his residence in Vienne in AD 392? | |
| Which Emperor killed in the Battle of Adrianople in AD 378? | |
| Which Emperor opened the doors of the Temple of Janus for the last time in Roman history? | |
| Which Emperor was murdered in his mother's arms on the orders of his brother and Co-Emperor? | |
| Which Emperor expanded the Empire to it's greatest extent with military campaigns? | |
| Which Emperor was never acknowledged as Emperor by the entire Roman world? (Only the Senate, the armies of Germania Inferior and Superior, Gaul, Britannia and Raetia agreed) | |
| Which Emperor was described as a religious man, under the control of his magister militum, Ricimer, who died of natural causes in AD 465? | |
| Which Emperor's death was variously ascribed 'to despair, to poison, and to the divine justice'? | |
| Which Emperor was (incorrectly) described in the Historia Augusta as having nine wives? | |
| Which Emperor died at Aquileia whilst attempting to put down a Senatorial revolt? | |
| Which Emperor's reign coincided with the one thousandth anniversary of the foundation of the city of Rome? | |