Expo 67 was a world's fair held in Montreal, Canada from April 27 to October 29, 1967. It celebrated Canada's centennial and showcased innovations in technology, culture, and design. The event attracted over 50 million visitors from around the globe, making it one of the most successful expos in history. The theme of Expo 67 was "Man and His World," highlighting the relationship between humanity and the environment. Visitors explored various pavilions representing different countries, including the iconic Geodesic Dome designed by Buckminster Fuller. Expo 67 left a lasting legacy, influencing urban development and cultural exchange in Montreal and beyond.