Festive Day demonstrations in Sofia, Berlin, Warsaw, Bucharest, Bratislava, Rome, Tokyo, Buenos Aires. The holding of municipal elections in Chile. Egypt. Rallies in defense of the gains of the revolution in Helwan. Speech by Sadat. Congo. Solemn meeting to mark the 1-st of May in Congo-Brazzaville. Kenya. Demonstration of workers in the Kenyan capital, Nairobi. Mexico. May Day demonstration in Mexico City. Laos. Evacuation of Saigon troops transport aircraft and helicopters of the United States.