The SF F-4 submersible boat sank and killed 21 people near Hawaii.
This was the first submarine incident of its kind.
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The Kilauea volcano on Big Island in Hawaii began to erupt.
Several internal explosions inside Britain's HMS Vanguard battleship occurred at Scapa Flow, Orkney Islands, Scotland.
Richard Branson's attempt at obtaining the fastest Atlantic crossing ended when his speed boat crashed.
The first Ironman Triathlon was held in Kona, Hawaii, USA.
The RMS Titanic was launched from Belfast, where it was also constructed.
