Leo II was crowned Emperor of Rome at just seven years of age.
Source
Massachusetts's Marconi Wireless Station Site successfully sent the first radio transmission between the US and Europe.
France revealed the world's largest commercial aircraft, nicknamed the superjumbo.
NASA's Ingenuity helicopter took off for its 72nd and final flight on Mars.
The first polar bear in America was exhibited in Boston.
British band, The Beatles made it onto the US Billboard Hot 100 for the first time.
