- Period:
- Second World War (1939-1945)
- Rank:
- Oberstleutnant (Lieutenant-colonel)
- Unit:
- Kommandeur Kradschützen-Bataillon 53 / 3. Infanterie-Division
- Awarded on:
- September 12th, 1941
On the 02.08.1941 Oberstleutnant Erdmann attacked a Russian bunker line along both sides of a creek bed with his Kradschützen-Bataillon and the subordinated II./I.R. (mot.) 8. He managed to break through this line, and in doing so secured a position from which his Division could commence an attack against Luga. He would be awarded the Knight’s Cross for this action.