One Canada Square Canada Square was completed and open for business. His Royal Highness The Duke of Edinburgh officially opened One Canada Square on the morning of 26 August 1991, and unveiled a commemorative plaque at the entrance to the building. Hundreds of construction workers attended the opening ceremony. The Duke of Edinburgh addressed some 800 invited guests, many of whom had been involved in the project. He spoke of the "large, airy space and clean, efficient office layout", as he declared the building ready for business. The attendees heard a specially-commissioned piece of music performed by a 30-strong choir. Paul Reichmann, Chairman
Canada House conferences, receptions, lectures and lunches. The Canada House Gallery stages exhibitions of historical and contemporary art and artefacts. Canada House Canada House () is a Greek Revival building on Trafalgar Square in London. It has been a Grade II* Listed Building since 1970. It has served as the offices of the High Commission of Canada in the United Kingdom since 1925. The building which would later become known as Canada House was built between 1824 and 1827 to designs by Sir Robert Smirke, the architect of the British Museum. It was originally two buildings used by the Union Club and