| Some areas of the Fens were once permanently flooded, creating small lakes or meres, while others were only flooded during periods of high water. |
| There is evidence of human settlement near the Fens from the Mesolithic on. |
| The low hills were not yet cleared, nor the Fens and the wolds trimmed and enclosed. |
| The Fens of eastern England, the Thai highlands, and the Pays de Bray in Normandy, are examples of this. |
| On the 40-minute journey across the bleak landscape of the Fens the coach was preceded by a vanguard of police motorcycles with blue lights flashing. |
| From the Fens northward along the modern coast, the drainage flowed into the northern North Sea basin. |
