This book is dedicated to the most tragic pages of military art associated with the history of the Second World War, and tells about the encirclement of fronts or associations equal to them. Thus, in June 1941, Wehrmacht troops captured and partially destroyed the main forces of the Western Front of the Red Army, for which the commander of this front-line group, Army General D. G. Pavlov, was tried by a military tribunal and shot. And three years later, it was the turn of the extermination of the front-line formations of the German army: in January-February 1945, the troops of the 1st Belorussian and 1st Ukrainian Fronts defeated Army Group A, and in April-May 1945, the combined forces of the 2nd and The 3rd Ukrainian Fronts put an end to Army Group South. And the German command no longer had any opportunity to correct their failures...