They knew that at any moment, German U-boats could descend upon them ... up along the coast of north Wales almost a month after the sinking. They used a technique called numerical modeling ...

A World War One German U-boat has been identified by divers off ... The submarine met its end after a loss of trim resulted in it sinking below its maximum dive depth, resulting in some flooding ...

German WW1 U-boat found off the coast of Shetland Site of lost WW1 ship confirmed The official reason for the sinking was bad weather and high waves, although theories abounded that it was sunk by ...

On May 7, 1915, the RMS Lusitania, a British passenger liner, sank after a German U-boat torpedoed it. Over a thousand people ...

The sinking of the passenger liner Lusitania by a German U-boat helped to shatter that hope. Woodrow Wilson, 1918. Courtesy: Library of Congress Wilson demanded an apology from Germany and ...