The “Pact of Steel” was signed, an agreement between Fascist Italy and Nazi Germany.
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Ceylon adopted a new constitution to become the Socialist Republic of Sri Lanka.
The Trevi Fountain, one of Rome's most famous landmarks, was opened to the public by Pope Clement XIII.
The White Star Liner SS Ionic was launched at the Queen's Island in Belfast.
Napoleon stated his support of re-establishing Jerusalem for Jews.
Namco installed the first Pac-Man arcade machine in Shibuya, Tokyo.