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    Pink Floyd’s Dark Side of the Moon album entered the charts in March 1973, and wouldn’t leave the charts for a staggering 724 weeks (15 years!).

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2nd January


On this day in 1905, A satellite of Jupiter, Elara, was discovered by Perrine... Read more »

On this day in 1936, The first electron tube to enable night vision was described... Read more »

On this day in 1974, The 55 mph (90km/h) speed limit legislation was signed in the U.S.... Read more »


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