Expo 20 15 Milan, Italy (EXPO 20 15) The 42nd World Expo was held in Milan, Italy from May 1 5 to June 10. This World Expo is co-organized by Milan Municipal Government, Lombardy Regional Government, Milan Expo Foundation and Milan Chamber of Commerce and Industry. The theme of Milan's bid to host the 20 15 World Expo is "Feeding the Earth: Energy for Life", which is the first time in the history of the World Expo to take food as the theme, and will display delicacies from different countries and seek to meet the food needs of as many as 9 billion people around the world in 2050.