Another English Town Tries to Claim the Mayflower, and Tourism, From Plymouth HARWICH, England—A disagreement between two sleepy English seaside towns could make a splash across the Atlantic: by forcing a rewrite of American history. For 393 years, the southwest England town of Plymouth has been celebrated as the last port of call of the Mayflower before the ship carried the first Pilgrim settlers to what was to become the United States of America. But that is only part of the story. Plymouth's fame has come at the expense of this tiny town to the northeast of London. The reason:...