| 215BC | 
                                
                                    | 4.23.215 BC A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman  defeat at Lake Trasimene. |  | 
                    | 44BC |  | 
                    | 43BC | 
                                
                                    | 8.19.43 BC Octavian, later known as Augustus, compels the Roman Senate to elect him Consul . |  | 
                    | 27BC | 
                                
                                    | 1.16.27 BC The title Augustus is bestowed upon Gaius Julius Caesar Octavian by the Roman Senate. |  | 
                    | 8 | 
                                
                                    | 8.3.8 Roman Empire general Tiberius  defeats Dalmatians on the river Bathinus. |  | 
                    | 37 | 
                                
                                    | 3.16.37 Caligula becomes Roman Emperor after the death of his great uncle, Tiberius . |  
                                
                                    | 3.28.37 Roman Emperor Caligula  accepts the titles of the Principate, entitled to him by the Senate. |  | 
                    | 41 | 
                                
                                    | 1.25.41 After a night of negotiation, Claudius is accepted as Roman Emperor by the Senate. |  | 
                    | 51 | 
                                
                                    | 3.4.51 Nero, later to become Roman Emperor, is given the title ''princeps iuventutis'' (head of the youth). |  | 
                    | 53 | 
                                
                                    | 6.9.53 Roman Emperor Nero  marries Claudia Octavia |  | 
                    | 55 | 
                                
                                    | 2.11.55 Tiberius Claudius Caesar Britannicus, heir to the Roman Emperorship, dies under mysterious circumstances in Rome.  This clears the way for Nero  to become Emperor. |  | 
                    | 68 | 
                                
                                    | 6.8.68 The Roman Senate proclaims Galba  as emperor. |  
                                
                                    | 6.9.68 Roman Emperor Nero  commits suicide , after quoting Homer's ''Iliad''. |  | 
                    | 69 | 
                                
                                    | 4.14.69 Vitellius, commander of the Rhine armies, defeats Emperor Otho  in the Battle of Bedriacum and seizes the throne. |  
                                
                                    | 4.17.69 After the First Battle of Bedriacum, Vitellius  becomes Roman Emperor. |  
                                
                                    | 10.24.69 Second Battle of Bedriacum, forces under Antonius Primus, the commander of the Danube armies, loyal to Vespasian , defeat the forces of Emperor Vitellius . |  | 
                    | 70 |  | 
                    | 73 | 
                                
                                    | 4.16.73 Masada, a Jewish fortress, falls to the Romans  after several months of siege, ending the Jewish Revolt. |  | 
                    | 81 | 
                                
                                    | 9.14.81 Domitian becomes Emperor of the Roman Empire upon the death of his brother Titus . |  | 
                    | 96 | 
                                
                                    | 9.18.96 Nerva is proclaimed Roman Emperor after Domitian is assassinated. |  | 
                    | 98 | 
                                
                                    | 1.27.98 Trajan becomes Roman Emperor after the death of Nerva . |  | 
                    | 180 |  | 
                    | 193 | 
                                
                                    | 1.1.193 The Senate chooses Pertinax against his will to succeed Commodus  as Roman Emperor.   |  
                                
                                    | 1.1.193 The Senate chooses Pertinax against his will to succeed Commodus  as Roman Emperor.   |  | 
                    | 197 | 
                                
                                    | 2.19.197 Roman Emperor Septimius Severus  defeats usurper  Clodius Albinus in the Battle of Lugdunum, the bloodiest battle between Roman armies. |  | 
                    | 211 | 
                                
                                    | 2.4.211 Roman Emperor Septimius Severus  dies, leaving the Roman Empire in the hands of his two quarrelsome sons, Caracalla and Geta. |  
                                
                                    | 2.4.211 Roman Emperor Septimius Severus  dies, leaving the Roman Empire in the hands of his two quarrelsome sons, Caracalla and Geta. |  | 
                    | 217 | 
                                
                                    | 4.8.217 Roman Emperor Caracalla is assassinated (and succeeded) by his Praetorian Guard  prefect, Marcus Opellius Macrinus. |  | 
                    | 238 | 
                                
                                    | 3.22.238 Gordian I and his son Gordian II are proclaimed Roman Emperors. |  | 
                    | 275 | 
                                
                                    | 9.25.275 In Rome, (after the assassination of Aurelian), the Senate proclaims Marcus Claudius Tacitus Emperor.  |  
                                
                                    | 9.25.275 In Rome, (after the assassination of Aurelian), the Senate proclaims Marcus Claudius Tacitus Emperor.  |  | 
                    | 284 |  | 
                    | 286 |  |