16 th Congress of the Communist Party of Czechoslovakia. The celebration in Cuba 20 th anniversary of victory in the Bay of Pigs. Parade of Cuban troops. The celebration of the 1 st May in Hungary, East Germany, Poland, Romania, Afghanistan, Ethiopia, Great Britain, Chile, Nigeria, Iran and Japan.
16th Congress of the CP of Czechoslovakia. 20th anniversary of victory at the Bay of Pigs in Cuba.
May Day demonstration in the world.