The British ship HMS Minotaur sunk, killing 480 people.
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The RMS Titanic was launched from Belfast, where it was also constructed.
The French ship named Aurore transported the first African slaves from Senegambia, West Africa, to Louisiana, US.
The HMHS Britannic, sister to the RMS Titanic, was launched at Harland and Wolff shipyard in Belfast.
The Titanic sunk at 2:20 am in the North Atlantic Ocean off the coast of Newfoundland.
British naval vessel HMS Royal George sank, and over 800 lives were lost.