In 1915, the World’s Fair left the Old Continent for the United States ; this was not a first, since Philadelphia, Chicago and St. Louis had already hosted this event before. Recovering from the terrible earthquake of 1906, the city of San Francisco was this time chosen to receive the exhibitors of the twenty-four participating countries ; between March and December 1915, it would welcome about nineteen million visitors. The event, as always, revolved around a major theme. For this iteration, it was the Panama Canal, completed and inaugurated a year earlier, that was in the spotlight : the exhibition was renamed “Panama- Pacific” for the occasion. Indeed, this canal, whose titanic work began in 1882, allowed an unprecedented expansion of maritime trade and contributed to the strongpour lire la suite…