London Bridge, designed by Lord Holford, was officially opened by Queen Elizabeth II.
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Albert Einstein wrote his first paper on the Quantum Theory of Light.
Pop singer-songwriter Sia released her hit single 'Chandelier.'
The Bee Gees made their first appearance on TV, performing 'Words' and 'To Love Somebody' on the Ed Sullivan Show.
NASA launched the Vanguard I satellite.
Pink Floyd's 'The Dark Side of the Moon' debuted on Billboard's Top 200 chart.