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With Dubai Expo 2020 on the way, here are some astonishing creations we know and love today that were unveiled at previous World Expos.
1851 London: The very first expo saw the birth of London’s iconic Crystal Palace.
1855 Paris: The washing machine was debuted.
1876 Philadelphia: Heinz Tomato Ketchup was introduced.
1889 Paris: Thomas Edison unveiled his gramophone.
1893 Chicago: The zipper
1900 Paris: Talking movies projecting image and sound simultaneously.
1904 St. Louis: The ice cream cone
1939 New York: The first television was presented.
1970 Osaka: The first IMAX film premiered.
1970 Osaka: Mobile phone was revealed.