- Second World War (1939-1945)
- Oberfeldwebel (Warrant Officer)
- Kompanie Truppführer III. / Grenadier-Regiment 156 (motorisiert)
- Awarded on:
- February 10th, 1944
Oberfeldwebel and his handful of Grenadiers thrust into a gap in the frontline that had formed between themselves and the neighbouring battalion, assaulting a Soviet column containing about 400 men. They were able to successfully destroy/disperse this enemy group, and for this action Tanneberger received the Knight's Cross.