The 1967 Expo 67 was a world's fair held in Montreal, Canada to celebrate the centennial of Canada's Confederation. It showcased innovative architecture and cultural exhibits from 62 countries, attracting over 50 million visitors. The theme was "Man and His World," highlighting human achievement and progress. One of the most iconic structures from the expo was the Biosphere, a geodesic dome designed by Buckminster Fuller. The event left a lasting legacy on Montreal, transforming the city and inspiring future generations to explore creativity and international cooperation. Expo 67 is often remembered as one of the most successful world's fairs in history.