The article describes the events that are not well studied in historiography. It is focused on the celebration of the October Revolution anniversary in the war time Moscow (November 6–7, 1943). It represents the reaction of the Western allies to the speech of Joseph Stalin, made at the reception in the Kremlin on November 6. It also shows a representational meeting at the Reception House of the Narkomat for Foreign Relations (NKID) on November 7 with participation of the Soviet political and military elite, writers, artists, as well as foreign diplomats. Among the sources used are archival materials, diplomatic documents, memoirs and diaries of the contemporaries and participants Alexander Vert, Harrison Evans Salisbury, Ivan Maisky and Ilya Ehrenburg.