June 22, 1675: The Royal Observatory Greenwich is founded

The Royal Observatory Greenwich celebrates its 350th anniversary today. Founded by King Charles II on June 22, 1675, the observatory was tasked with solving “the longitude problem,” the lack of accurate east-west positioning at sea because of the difficulty of precise timekeeping during long voyages. John Flamsteed, the first astronomer royal, led meticulous observations ofContinue reading “June 22, 1675: The Royal Observatory Greenwich is founded”
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