The SF F-4 submersible boat sank and killed 21 people near Hawaii.
This was the first submarine incident of its kind.
Source
The first kidney transplant between two persons with HIV occurred in Boston, Massachusetts, US.
The first color TV went on sale.
The Slave Trade Act was passed in the British Parliament.
Wayne Gretzky became the first and only player in NHL history to score 200 points in a season.
Frederick Langenheim took the first photo of a solar eclipse.
