Invasions of the British Isles While the governor Suetonius was pursuing a campaign on the isle of Anglesey, Boudicca, angered by maltreatment at the hands of the Romans, urged her people to rise up. They did, and marched on Camulodonum (now Colchester), where many former Roman soldiers had settled. The Romans in Camulodonum were massacred after a brief fight. Meanwhile, the Legio IX Hispana (Ninth Legion) had been sent south from Lindum (now Lincoln) to put down the revolt. It failed to arrive in time, and, when it encountered the Celts, was annihilated. The battle, however, may have enabled Governor Suetonius to arrive in Londinium
Chelmsford is still an important part of the city centre over 800 years later. The city's name is derived from "Ceolmaer's ford" which was close to the site of the present High Street stone bridge. In the Domesday Book of 1086, the town was called "Celmeresfort" and by 1189 it had changed to "Chelmsford". Its position on the Londinium – Camulodonum Roman road (the modern A12) ensured the early prosperity of Chelmsford. The town became the seat of the local assize during the early 13th century (though assizes were also held at Brentwood) and by 1218 it was recognised as the