The Silesian offensives (Russian: Силезские наступления) were two separate offensives conducted in Silesia in February and March 1945 by the Soviet Red Army against the German Wehrmacht on the Eastern Front in World War II, to protect the flanks of the Red Army during its push to Berlin to prevent a Wehrmacht counterattack.
The need to secure the flanks delayed till April the Soviets' final push toward Berlin, which had originally been planned for February.
By mid-April, the East Pomeranian offensive—carried out by the 2nd, and elements of the 1st, Belorussian Fronts—had succeeded in its objectives, reaching the important German port city of Stettin (now Szczecin).
Joseph Stalin's decision to delay the push toward Berlin from February to April 1945 has been a subject of controversy among Soviet generals and military historians, with one side arguing that in February the Soviets had a chance of securing Berlin much faster and with far fewer losses, and the other arguing that the possibility of large German formations (remnants of the Czech fortification system) remaining on the flanks could have resulted in a successful German counterattack and further prolonged the war.
Stalin's aim in delaying the advance on Berlin had likely been political, as it allowed him to occupy substantial parts of Austria in the Vienna offensive.