 It could also have derived this name late in the next century when the Vikings returned to the estuary in force, twice plundering Ipswich.Shotley Gate and the parish have a strategic position for protecting the ports of Felixstowe, Harwich and Ipswich and in 1865 the Shotley Battery fortifications were established.King Edward III camped here early in the Hundred Years War, before the great sea Battle of Sluys.