Assertion: world exposition | /r/HasProperty | london
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Source sentences:
text: The world expositions of 1851 London, 1853 New York, 1862 London, 1876 Philadelphia, 1889 Paris, 1893 Chicago, 1897 Brussels, 1900 Paris, 1904 St. Louis, 1915 San Francisco, and 1933–34 Chicago were notable in this respect.