Czechoslovakia - Husak Reception of delegations of participating countries of the Warsaw Pact arrived in Czechoslovakia for the celebration of the 25th anniversary of the Treaty. Czechoslovakia - the Negotiation and signing of agreements on economic cooperation between Czechoslovakia and Belgium. Czechoslovakia - Stay in Czechoslovakia the Director General of UNESCO A. M. Mbou, the reception of Gustav Husak. GDR - Berlin television electronics factory, workers inventors. Bulgaria - the 10th anniversary from the establishment of the Bulgarian-Hungarian society "Intertrans". Bulgaria - the Story of economic cooperation between the BNR and Romania.