In Wroclaw, the Vratislavia Cantans festival takes place: the Polish Radio Orchestra and Choir perform in Cracow. They play Mozart’s “Great Mass”, Jerzy Gert is the conductor. In Borki [today it is a district of Augustow], young people from the Socialist Youth Union and journalists from the “Polityka” magazine enjoy a summer camp. A warning: 70 people died during one August weekend.