- Second World War (1939-1945)
- Hauptmann der Reserve (Captain of Reserves)
- Kommandeur III./Infanterie-Regiment 415
- Awarded on:
- December 19th, 1942
In the middle of December 1942, during the battles south of Lake Ilmen, Sievers was able to throw back strong enemy forces (supported by tanks) that had broken into the German front. He then successfully defended against all further enemy attacks.
On another occasion, on 11.12.1943, the battalion of Hauptmann der Reserve Sievers was encircled by Soviet forces while positioned on the northern front of the corridor to Demyansk. He formed a hedgehog position with his battalion along with elements of the III./Grenadier-Regiment 161 in strongpoint "Schwebekopf", and held off all enemy attacks until the encirclement was broken on 13.12. by the I./Grenadier-Regiment 161.
For his actions during these battles Sievers received the Knight's Cross.