A diary handed down through three generations has helped find the wreck of a German U-boat sunk by a secret Royal Navy Q-ship ...

or U-boats, sunk, scuttled, captured, or otherwise lost to German forces during World War II. Here, naval historian Timothy Mulligan describes 25 of the most historically significant U-boats.

was sunk by a German U-boat. The U-boat captain Werner Hartenstein immediately ordered the rescue of as many survivors as possible, taking 200 people on board, with another 200 in lifeboats.

From pirates to first flight, Coastal North Carolina can be called "the most historical place in the United States of America ...

Two days later, the German U-boat U-552 left the French port of St ... US merchant ships had already been sunk in the Atlantic, and in mid-October, another US destroyer was hit by a torpedo ...