Germany changed the tactic during WWI via unrestricted submarine warfare, which meant that German U-boats could attack without warning any vessel it came across. Germany sank the civilian vessel ...

anyone speaking German would call a submarine an unterseeboot, or they may just call them U-boats. Still, that is usually used these days to refer to subs from WWI and WWII, and there aren't many ...

When German U-boat Commander Walther Schwieger ordered a torpedo strike on the Lusitania, he didn't know it would be the shot that eventually led the U.S. into WWI. But it wasn't a mistake ...

A man bought a World War I shipwreck for £300 after he saw it advertised on Facebook Marketplace. The catch? It's in the sea ...

Dom's ship was a steam-powered cargo ship which sank on November 27 1917. It was sunk by a German submarine off the coast of Cornwall, and has remained there ever since. The ship would have ...

These deadly submarines patrolled the waters of ... did its awesome threat actually save lives? WW1: Why was the first German defeat in Africa? documentWW1: Why was the first German defeat in ...

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 ...