1976
In spring of 1976, Queen Elizabeth II opened the World of Islam Festival in London.

32 Muslim nations, accumulated 6,000 objects from 250 public and private collections in 30 different countries and organised 162 lectures and 50 days of academic seminars involving scores of scholars.

Institutes included the British Museum and the British Library, the Arts Council of Great Britain, the Victoria and Albert Museum, the Hayward Gallery, the Horniman Museum, the Science Museum, the Museum of Mankind, the Royal Scottish Museum, the Architectural Association, the Commonwealth Institute, the Albert Hall, the Royal Festival Hall, museums in the cities of Manchester, Sheffield and Durham, the Inner London Educational Authority and the BBC. The universities notably included Oxford, Cambridge, London, Manchester, Warwick, Durham, Exeter, Edinburgh, the School of Oriental and African Studies and the Polytechnic of Central London.

For more see:
http://www.saudiaramcoworld.com/issue/197603/the.world.of.islam-its.festival.htm