The US Navy bought their first-ever submarine called the USS Holland or SS-1.
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A 400-year-old shipwreck was discovered just 15 miles off the coast of Portugal.
An accidental explosion aboard the USS Enterprise near Hawaii killed 28 people.
Icon of the Seas, the largest cruise ship in the world, embarked on its maiden voyage from Miami.
A German U-Boat sinks the RMS Lusitania.
The Wreck of the sunk ship Titanic is found in the North Atlantic Ocean.
