The document provides a comprehensive history of the International Federation of Municipal Engineers (IFME), detailing its establishment and evolution from 1937 through the 1970s. It chronicles significant milestones, including the founding of the federation, the organization of international congresses, and the emphasis on knowledge exchange among municipal engineers. The text highlights various congresses held in cities like Brussels, Paris, and Jerusalem, focusing on urban development, environmental issues, and the strengthening of cultural ties among member nations.