US air force continue bombing of the Democratic Republic of Vietnam. The city of Brack has been under construction for 15 years. The city is a base of the world's largest hydroelectric plant. A celebration of a special occasion in Lublin – the 100,000th ‘Zuk’ delivery truck was produced. The team led by professor Jan Manitius from the AGH University of Science and Technology in Cracow, has developed an electronic control system for steelworks. The state-owned agricultural enterprise in Strzegom is a record-breaking farm.