<P> 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 of 21.6 metres ( 71 ft ) . Its square base has sides of 34 metres ( 112 ft ) and a base surface area of 1,000 square metres ( 11,000 sq ft ) . 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 ) . </P>
<P> 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 of 21.6 metres ( 71 ft ) . Its square base has sides of 34 metres ( 112 ft ) and a base surface area of 1,000 square metres ( 11,000 sq ft ) . 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 ) . </P>
when did they start building the louvre pyramid
when did they start building the louvre pyramid
1984
1984