Bulgaria. Holiday demonstration in Sofia on May 1, 1965. Hungary, Budapest. Holiday demonstration dedicated to the day 1 st May Avenue Derdya Doji. North Vietnam. Fishing boats on the river, the fishermen on the shore. Rice plantations. Harvesting of tea. Woman with child in her arms. Fighting in the Air Force, artillery. The civilian population of Vietnam. Women dig a trench. Infantry Vietnamese army prepares for battle. China, Beijing. Festive outdoor party in the park in the town square dedicated to the day the 1st of May. Cuba, Havana. May Day demonstration and the sports parade in the square José Martí. Poland, Warsaw. May 1, 1965. Holiday demonstration. Romania. Holiday rally and demonstration in Bucharest on May 1, 1965. Czechoslovakia. May Day demonstration in Prague. Algeria. Celebratory rallies and demonstrations on May 1, 1965. France, Paris. The rally at the Labor Exchange on May 1, 1965. Kingdom. The demonstration and rally in Hyde Park on May 1, 1965. Mexico. May Day parade in Mexico City. Greece. Mass May Day demonstration in Athens. Japan. Celebrations in honor of the holiday 1 st May in Tokyo. A meeting of protest against U.S. aggression in Vietnam.