Ages of Britain
What happened before When.
| Period | Date | BCE / CE | Length (years) |
| Palaeolithic | -500000 | BCE | 491,000 |
| -9000 | |||
| Mesolithic | -9000 | 5,000 | |
| -4000 | |||
| Neolithic | -4000 | 1,500 | |
| -2500 | |||
| Bronze Age | -2500 | 1,700 | |
| -800 | |||
| Iron Age | -800 | 750 | |
| -50 | |||
| Roman | -50 | 500 | |
| 450 | CE | ||
| Early Medieval | 450 | 616 | |
| 1066 | |||
| Medieval | 1066 | 468 | |
| 1534 | |||
| Early Modern | 1540 | 260 | |
| 1800 | |||
| Modern | 1800 | 219 | |
| 2019 |
| Period | Date | BCE / CE | Length (years) |
| Vikings | 793 | CE | 273 |
| 1066 |