List of days of the year

10 August - Royal Greenwich Observatory foundation stone laid in 1675


 The foundation stone of the Royal Greenwich Observatory was actually laid on August 10, 1675, in Greenwich, London, England. The observatory played a significant role in the development of astronomical and navigational sciences, particularly in the field of timekeeping and the establishment of the Prime Meridian.

The observatory's primary purpose was to aid navigation by accurately determining the positions of celestial bodies, which was crucial for maritime activities. The site also served as the reference point for Greenwich Mean Time (GMT) and the Prime Meridian, which is the starting point for measuring longitudes around the world.

The Royal Greenwich Observatory has a rich history and has contributed greatly to the advancement of astronomy and navigation. It remains an important landmark and historical site in London.

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