Italy won the 65th edition of the Eurovision Song Contest with Måneskin’s “Zitti e buoni.”
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Ceylon adopted a new constitution to become the Socialist Republic of Sri Lanka.
The 'Pact of Steel' was signed, an agreement between Fascist Italy and Nazi Germany.
Mexico declared war on Nazi-Germany and Japan.
When Cubs' player Billy Sunday played his first game, he struck out four times.
Two new moons of Saturn were found in photos from the Hubble Space Telescope by Astronomers Amanda S. Bosh and Andrew S. Rivkin.
