A special service will be held at Chelmsford Cathedral today, remembering those who died in the floods of 1953.
An estimated 307 people died in the Great Flood, which hit the east coast of England, sixty years ago.
Strong gales and high tides caused sea water to sweep over flood defences, two miles inland.
The Princess Royal will attend the service today, bringing together survivors from Essex, and representatives from the Netherlands, where 1,800 people died.
Smaller services will take place in Lincolnshire, Norfolk, Suffolk and Essex.