Roman Empire map by year
Each key date has its own page with the area, what changed since the last date and the modern countries inside. Or use the time slider on the home page.
| Date | Area (km²) | Change | What happened |
|---|---|---|---|
| Rome in 753 BC | 7.1 | The traditional founding of Rome | |
| Roman Republic in 264 BC | 131,515 | +1,861,202.8% | Start of the First Punic War; Rome controls peninsular Italy south of the Apennines |
| Roman Republic in 133 BC | 805,540 | +512.5% | Pergamon is bequeathed to Rome; Numantia falls in Spain |
| Roman Empire in 44 BC | 1,972,439 | +144.9% | Julius Caesar is assassinated; Gaul has been conquered |
| Roman Empire in AD 14 | 3,665,334 | +85.8% | Augustus dies; Tiberius succeeds |
| Roman Empire in AD 117 | 4,880,924 | +33.2% | The empire at its greatest extent, after Trajan's eastern conquests; Trajan dies and Hadrian succeeds |
| Roman Empire in AD 211 | 4,812,484 | -1.4% | Septimius Severus dies; his sons Caracalla and Geta succeed |
| Roman Empire in AD 395 | 4,717,842 | -2% | Theodosius I dies; the empire is divided permanently between his sons |
| Roman Empire in AD 476 | 1,941,191 | -58.9% | Odoacer deposes Romulus Augustulus; the Western empire ends, the East continues |
| Byzantine Empire in AD 565 | 2,910,368 | +49.9% | Justinian I dies after reconquering Italy, North Africa, coastal Dalmatia and south-east Spain |
| Byzantine Empire in AD 1000 | 854,602 | -70.6% | Basil II rules a resurgent Byzantine Empire |
| Byzantine Empire in AD 1180 | 591,029 | -30.8% | Manuel I Komnenos dies; the empire has lost the Anatolian interior but holds the Balkans |
| Byzantine Empire in AD 1453 | 22,624 | -96.2% | Constantinople falls to the Ottomans |