1674 – Hotel de Ville, Lyon, France Architect: Jules Hardouin-Mansart The Town Hall on place des Terreaux, was rebuilt in 1674 after a fire, by architects Jules Hardouin-Mansart and Robert de Cotte.
1674 – Hôtel des Invalides, Paris Architect: Libéral Bruant / Jules Hardouin-Mansart This massive building was built as a convalescence home for disabled war veterans.
1674 – Yarranton proposal for canals and harbour, Ringsend Andrew Yarranton, (1619-1684), a former soldier in the English Civil War, travelled throughout England and northern Europe as civil engineer. He worked as a consultant and entrepreneur on mines,