Royal Observatory, Greenwich - Chronology

Chronology

• 1675 Royal Observatory, Greenwich founded.
• 1714 Longitude Act establishes the Board of Longitude and the Longitude prize
• 1924 Hourly time signals (Greenwich Time Signal) from the Royal Observatory, Greenwich were first broadcast on 5 February.
• 1948 Astronomer Royal moves to Herstmonceux.
• 1957 Royal Observatory completes its move to Herstmonceux, becoming the Royal Greenwich Observatory (RGO). The Greenwich site becomes the Old Royal Observatory.
• 1990 RGO moves to Cambridge.
• 1998 RGO closes. Greenwich site becomes the Royal Observatory, Greenwich again, and is part of the National Maritime Museum.