| Colchester.uk.com | The History of Saxon Colchester |
| Year | Events |
| 420 | (circa) End of the circulation of bronze coinage leading to the collapse of the Romanized urban economy |
| 440 | (circa) Roman Colchester is abandoned (440/450) |
| 450 | (circa) Saxon hut in Lion Walk is built in the ruins of Roman buildings
(circa) Saxon cemetery in Mersea Road in use until the late 7th century |
| - | ??? |
| 865 | Danish invasion of East Anglia |
| 886 | Colchester comes under the authority of the Danelaw in a treaty between Alfred and Guthrum |
| 917 | The Danes are driven out of the town and Edward the Elder supervises the repair of the walls |
| 931 | Athelstan holds a witenagemot at Colchester, "a town well known to all men"; a witenagemot is a royal council meeting attended by noblemen and bishops |
| 940 | Edmund holds a royal council at Colchester |
| 991 | Battle of Maldon
(circa) A mint is established during the reign of Aethelred II by a moneyer named Sweting; other moneyers follow |
| 1060 | (circa) A defensive ditch is dug in Vineyard Street (1050/1075) |
| 1066 | Norman invasion and conquest |
| The History of Colchester : Roman :: 1051-1100 : 1101-1150 : 1151-1200 | |