In Roman Times – Portus Adurni is situated on the lower reaches of the River Adur, and a highway is built between the Port and London passing through Portus Ladus (“the way to the Port”) now known as Portslade.
Circa 500 A.D – Saxons land at the mouth of the River Adur and name the local town.
1086 – Domesday Book includes reference to the township of “Soresham”.
In Norman Times – Trade expands rapidly for Port as major importer of wine and exporter of wool.
1199 – King John lands at Shoreham with a large army and trade expands further, by the beginning of the 13 th Century Shoreham has become a Royal Arsenal and an important station for the landing and embarking of troops.
1346 – Shipbuilding has become a major activity in the Port and Shoreham supplies 26 ships to Edward III for his fight with the French.
1651 – King Charles II makes his escape from England to Fecamp in the coal brig “Surprise”.
1760 – The Commissioners of Shoreham Harbour meet for the first time in an endeavour to make a new cut to the sea to beat the problem of shingle accumulation.
1816 – A second cut is made in the shingle embankment at the site of the present entrance.
1826 – The first Middle Pier is built at the north bank of the Port to regulate the tide.
1850 – A lock is built on the site of the present dry dock.
1855 - The locked canal is opened to shipping for the first time.
1870 – Gas Works constructed on the south bank of the canal.
1897 – Brighton Corporation construct an electricity generating station. Coal imports increase substantially.
1917 – Shoreham is chosen by the Admiralty for the construction of the so-called “Mystery Towers”.
1933 – The Prince George Lock is opened and the depth of the canal is deepened.
1944 – Shoreham is a departure point for troops participating in the D-Day landings in Normandy.
1953 – Shoreham selected as location for a further coal fired power station.
1957 - Major developments including a new entrance and the construction of East and West breakwaters are completed.
1958 - Prince Philip Lock is opened by His Royal Highness.
1960s and 70s – Trade flourishes with a wide range of imports and exports.
1987 – Brighton B power station closes precipitating a major downturn in the Port’s fortunes.
1996 – New management team takes over and starts to re-establish Shoreham’s position.
1997 – Final chimney of old power station demolished and acquisition of Sussex Port Forwarding completed.
2000 – New Power Station constructed.