On her maiden voyage in April 1912, the supposedly unsinkable R.M.S. Titanic strikes an iceberg in the Atlantic Ocean.On her maiden voyage in April 1912, the supposedly unsinkable R.M.S. Titanic strikes an iceberg in the Atlantic Ocean.On her maiden voyage in April 1912, the supposedly unsinkable R.M.S. Titanic strikes an iceberg in the Atlantic Ocean.