| Year | Month | Day | Event |
|---|---|---|---|
| 68 | Jun | 08 | The Roman Senate Proclaims Galba As Emperor |
| 69 | Dec | 21 | Vespasian Becomes Roman Emperor |
| 221 | Jun | 26 | Elagabalus Makes Alexander Severus Heir, Becoming Caesar |
| 238 | Mar | 22 | Gordian I Is Announced Emperor |
| 305 | May | 01 | Diocletian And Maximian Retirement |
| 364 | Feb | 26 | Valentinian I Is Proclaimed Roman Emperor |
| 365 | Sep | 28 | Procopius Proclaims Himself Roman Emperor |
| 425 | Oct | 23 | Valentinian III Elevated As Roman Emperor |
| 1743 | May | 12 | Queen Of Bohemia Succeeds Rival Charles VII |