RMS Titanic sank on 15 April 1912 in the North Atlantic Ocean. The largest ocean liner in service at the time, Titanic was four days into her maiden voyage from Southampton, England, to New York City, USA, with an estimated 2,224 people on board when she struck an iceberg at 23:40 on 14 April. She sank two hours and forty minutes later at 02:20 ship's time on 15 April, resulting in the deaths of more than 1,500 people, making it one of the deadliest peacetime maritime disasters in history.

Source: Wikipedia