Expo 67, officially known as the International and Universal Exposition of 1967, was a world's fair held in Montreal, Quebec, Canada, from April 27 to October 29, 1967. It was organized to celebrate Canada’s centennial and commemorate the achievements of 20th-century civilization. This event was remarkable for its ambitious vision of a utopian future, featuring over 60 pavilions representing countries around the globe. Visitors experienced spectacular exhibits focused on technology, culture, and the arts, which were intended to promote international understanding and showcase human ingenuity.

The fair was distinguished by its innovative structures, among which the geodesic dome of the United States Pavilion, designed by Buckminster Fuller, gained worldwide attention. Visitors were also treated to a temporary amusement park, La Ronde, and cultural performances that capitalized on Canada's diverse population. The event not only set a record for attendance but also served as a catalyst for Montreal’s urban development and cultural identity.

Expo 67 was a profound success, drawing over 50 million attendees, making it one of the most visited world's fairs in history. The legacy of Expo 67 continues to influence Montreal's identity, contributing to its reputation as a vibrant metropolitan center known for hosting international events, arts, and culture. It also showcased Canada on the global stage, enhancing its reputation and fostering both national pride and international relationships.