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Article title: « L’incroyable pari de construire la tour Eiffel en deux ans »
The article talks about the challenging task of building the Eiffel Tower in just two years for the 1889 World’s Fair in Paris. Despite the skepticism of many, Gustave Eiffel and his team of engineers and workers were able to complete the tower on time.
Answer to the question:
The Eiffel Tower was built in two years, from 1887 to 1889, for the World’s Fair in Paris, accomplishing the ambitious goal set by Gustave Eiffel and his team.