For this chain-of-thought reasoning and answer, what was the question?
The relevant sentence in the passage is: The sinking of the RMS Titanic occurred on the night of 14 April through to the morning of 15 April 1912 in the North Atlantic Ocean, four days into the ship's maiden voyage from Southampton to New York City.
A: the North Atlantic Ocean
Q: The sinking of the RMS Titanic occurred on the night of 14 April through to the morning of 15 April 1912 in the North Atlantic Ocean, four days into the ship's maiden voyage from Southampton to New York City. The largest passenger liner in service at the time, Titanic had an estimated 2,224 people on board when she struck an iceberg at around 23: 40 (ship's time) on Sunday, 14 April 1912. Her sinking two hours and forty minutes later at 02: 20 (05: 18 GMT) on Monday, 15 April resulted in the deaths of more than 1,500 people, which made it one of the deadliest peacetime maritime disasters in history.

Based on this passage, where was the titanic when it went down?