when was the pyramid built at the louvre
1984
title: Louvre Pyramid text: Louvre Pyramid The Louvre Pyramid (Pyramide du Louvre) is a large glass and metal pyramid designed by Chinese-American architect I.M. Pei, surrounded by three smaller pyramids, in the main courtyard (Cour Napoléon) of the Louvre Palace (Palais du Louvre) in Paris. The large pyramid serves as the main entrance to the Louvre Museum. Completed in 1989, it has become a landmark of the city of Paris. Commissioned by the President of France, François Mitterrand, in 1984, it was designed by the architect I. M. Pei. The structure, which was constructed entirely with glass segments and metal poles, reaches a height title: Louvre Pyramid text: a thorough redesign, including better access to the pyramid and the Passage Richelieu. Louvre Pyramid The Louvre Pyramid (Pyramide du Louvre) is a large glass and metal pyramid designed by Chinese-American architect I.M. Pei, surrounded by three smaller pyramids, in the main courtyard (Cour Napoléon) of the Louvre Palace (Palais du Louvre) in Paris. The large pyramid serves as the main entrance to the Louvre Museum. Completed in 1989, it has become a landmark of the city of Paris. Commissioned by the President of France, François Mitterrand, in 1984, it was designed by the architect I. M. Pei. The structure, title: Louvre Pyramid text: Centre, featuring a similar pyramid, was opened in April 1982, by Prince Richard, Duke of Gloucester. The construction work on the pyramid base and underground lobby was carried out by the Vinci construction company. In 1839, according to one newspaper account, in ceremonies commemorating the "glorious revolution" of 1830, "The tombs of the Louvre were covered with black hangings and adorned with tricolored flags. In front and in the middle was erected an expiatory monument of a pyramidical shape, and surmounted by a funeral vase." The construction of the pyramid triggered many years of strong and lively aesthetic and political title: Louvre text: Denon Wing, which borders the Seine to the south. In 1983, French President François Mitterrand proposed, as one of his Grands Projets, the Grand Louvre plan to renovate the building and relocate the Finance Ministry, allowing displays throughout the building. Architect I. M. Pei was awarded the project and proposed a glass pyramid to stand over a new entrance in the main court, the Cour Napoléon. The pyramid and its underground lobby were inaugurated on 15 October 1988 and the "Louvre Pyramid" was completed in 1989. The second phase of the Grand Louvre plan, "La Pyramide Inversée" ("The Inverted Pyramid"), title: Louvre Pyramid text: of . Its square base has sides of and a base surface area of . It consists of 603 rhombus-shaped and 70 triangular glass segments. The pyramid structure was engineered by Nicolet Chartrand Knoll Ltd. of Montreal (Pyramid Structure / Design Consultant) and Rice Francis Ritchie of Paris (Pyramid Structure / Construction Phase). The pyramid and the underground lobby beneath it were created because of a series of problems with the Louvre's original main entrance, which could no longer handle the enormous number of visitors on an everyday basis. Visitors entering through the pyramid descend into the spacious lobby then