The RMS Titanic was launched from Belfast, where it was also constructed.
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After eleven months of imprisonment, 83 men from the US Navy were released by North Korea.
The USS Holland (SS-1) became the first modern submarine commissioned for the United States Navy.
Baltimore's iconic Francis Scott Key Bridge collapsed after being struck by a cargo ship.
John Jacob Astor established the Pacific Fur Company.
The HMS Dreadnought battleship was christened.
