In the fall of 1944, his unit was located in Poland east of Warsaw. The diary is filled with notes on meetings with the Polish civilian population. At the beginning of 1945, the Red Army was preparing for two strong offensive operations: an attack on the Vistula-Oder and an attack on East Prussia. To this end, more than 3 million Soviet soldiers were reorganized and supplied. The battle was to end with the encirclement of Berlin. The Red Army was opposed by the still powerful enemy, which was ready at the borders of its country for stubborn resistance. On January 12 and 13, the Soviet army went on the offensive.