Czechoslovakia - Tourists from the train of friendship of the USSR in Bratislava. Czechoslovakia - Prague Institute of Physics of plastic (Experiments carried out within the framework of socialist integration). Bulgaria - Bulgaria Soviet specialists on different objects (Metallurgical Plant, and others.). Bulgaria - Temple-monument on Shipka. Bulgaria - Start of a new rolling mill "1700" on kremikovtzi ad, created with the help of the Soviet Union. Rolling mill opens Todor Zhivkov. Bulgaria - The opening decade of Soviet books in the town of Smolyan and the House of the Bulgarian-Soviet friendship. Poland - Polish Science Year: Ceremony at Krakow University to mark the start of the school year. Present E. Gierek. Poland - Exhibition of contemporary Soviet photography in Warsaw, opened in connection with the 50th anniversary of the USSR. Poland - The premiere of the last film of the Soviet epic "Liberation" in Warsaw. Germany - The opening of a sulfuric acid plant in Duisburg, which was built with the help of Polish specialists.