Arthur Wynne’s “word-cross”, the first crossword puzzle, is published in the New York World.

The United States invasion of Panama deposes Manuel Noriega.

BBC World Service begins broadcasting as the BBC Empire Service.

Project SCORE, the world’s first communications satellite, is launched.

Harold Holt, Prime Minister of Australia, disappears while swimming near Portsea, Victoria, and is presumed drowned.

Taj Mahal Palace and Tower hotel in Bombay first opens its doors to guests

Italian American food cart vendor Italo Marchiony receives a U.S. patent for inventing a machine that makes ice cream cones

Construction begins on the Three Gorges Dam on the Yangtze river.

Constantine II of Greece attempts an unsuccessful counter-coup against the Regime of the Colonels.

United Nations Security Council Resolution 121 relating to acceptance of Japan to the United Nations is adopted.