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
Park Square, London victory at the Battle of Waterloo in 1815. Also of interest is a tulip tree, "Liriodendron tulipifera". An unusual and original feature in the garden is the "Nursemaids' Tunnel", an early example of an underpass, linking the square with Park Crescent. Park Square, London Park Square is north of Park Crescent and the Marylebone Road in London. It consists of large elegant stuccoed terraced houses by the architect John Nash, and was built in 1823–24. To the south of the square is Regent's Park tube station. Park Square Gardens are in the centre of the square. Immediately to the north