The RMS Titanic was launched from Belfast, where it was also constructed.
Source
The video for Psy's Gangnam Style reached two billion views on YouTube.
The New Orleans Minting facility closed.
English civil servant Samuel Pepys recorded his last diary entry.
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.
