As the world commemorates the centenary of the Titanic's sinking, thousands of people have taken to the internet to discuss the historic anniversary.
But the event has evidently proven more educational for some than others.
A number of tweeters have used the micro-blogging site to confess that they were unaware that the Titanic was a real ship.
The ill-informed netizens sparked an online backlash, with hundreds sharing their disgust at the apparent ignorance.
Ignorant: These tweeters had no idea the Titanic was a real ship
RMS Titanic sank in the early hours of April 15 1912, after being struck by an iceberg during her maiden voyage from Southampton to New York.
But for many of the younger generation, the ship is more familiar from the 1997 film about its demise starring Kate Winslet and Leonardo DiCaprio.
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