Expo 98 was a World Trade Fair hosted in Lisbon between May to September in 1998. The project brought massive investment to Lisbon’s aging infrastructure and completely revitalised a poor district, which has since transformed into one of the trendiest areas of the capital. It is general considered that Expo 98 was a great success, unlike many subsequent expo events. One lasting benefit was the recognition of Portugal as an emerging industrial nation and this single event may have helped the country join the single currency of Europe.