The video for Psy’s Gangnam Style reached two billion views on YouTube.
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Battle of the Kalka River occurred.
Harry Potter and the Prisoner of Azkaban, the 3rd film based on the books by J. K. Rowling, was released in UK cinemas.
Imperial Japan began a series of submarine attacks on Sydney.
The RMS Titanic was launched from Belfast, where it was also constructed.
20th Century Fox was founded after a merger of Fox Film Corporation and Twentieth Century Pictures.
