2024
ROYAL OBSERVATORY
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Read moreCommissioned by King Charles II in 1675 from architect Christopher Wren, the Royal Observatory allowed astronomer John Flamsteed to observe the sky. The royal park that surrounds it is partly designed by Le Nôtre. Inside the Observatory is the Greenwich meridian, whose line can be seen on the ground. In 1884, it was decided that the Greenwich meridian would correspond to the 0 meridian, from which all distances would be measured from east to west. Recently, calculations have located the meridian a little further east than the trace!