Complex sentence: In 1813, acting on an idea put forward by Bell, the Newcastle Society of Antiquaries was founded and held their first meeting at the Turks's Head, believed to have been located in the large listed building in Grey Street.
Split into simpler sentences: In 1813, acting on an idea put forward by Bell, the Newcastle Society of Antiquaries was founded. It held its first meeting at the Turks's Head, believed to have been located in the large listed building in Grey Street.