One Canada Square was completed. It is expected to become the third tallest building in the United Kingdom in 2019 upon completion of 22 Bishopsgate. One Canada Square never achieved the title as tallest skyscraper in the European Union because in accordance to the CTBUH method, a building has to be "completed" before its receives its title, with Messeturm in Frankfurt being completed in 1990. On 15 November 1992, the Provisional Irish Republican Army attempted to place a large improvised explosive device near the tower. The IRA had already worked out that to cause maximum damage, the bomb had to be placed under
Former Geological Survey of Canada Building serve as the offices and museum of what was then called the Geological and Natural History Survey of Canada. The museum and its collections, which attracted 9,549 visitors in its first year, would later become the genesis of Canada’s national museums. The Sussex Drive section was rebuilt in 1881 on its original footprint. The Geological Survey of Canada remained in the building until 1911 when it moved to the Victoria Memorial Museum. The building was renovated again, this time to accommodate the federal Department of Mines, and a new laboratory was added to the George Street wing in 1917. Former