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List of world expositions


List of world expositions is an annotated list of every world exposition sanctioned by the Bureau International des Expositions (BIE), including those recognised retrospectively.

The designation "World Exposition" or "Expo" refers to a class of the largest, general scope exhibitions of 3 to 6 months' duration.

This list does not include BIE recognized International Horticultural Exhibitions. For other major international exhibitions, in addition to those endorsed by the BIE, see the comprehensive list of world's fairs.

1st World Science Fiction Convention


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