The very first world's fair, the Great Exhibition of 1851, took place in the landmark Crystal Palace.
LINKS: The Crystal Palace Foundation The Great Exhibition at the Crystal Palace - from Victorian Station The Great Exhibition Collection - The Victoria and Albert Museum Contemporary Writings about the Great Exhibtion - from The Victorian Web Great Exhibition - from Wikipedia 1851 Crystal Palace Exposition - from Earth Station 9 Crystal Palace - from Nicolas Janberg's Structurae The London World Exposition 1851 - from Expo 2000.de Crystal Palace: A History - from the BBC The Crystal Palace - by Dr. Russel A. Potter The Crystal Palace - 3-D Modelling by Chris Jessee and Will Rourk The Crystal Palace Campaign Berlioz in London: Crystal Palace - 1851 Exhibition - from The Hector Berlioz Website The Great Exhibition of 1851 - from Vanderbilt University The Great Exhibition - from the University of St. Andrews The Great Exhibition of the Industry of All Nations, 1851 - from the University of Kansas