Complex sentence: This regiment was nearly destroyed in the Soviet offensive of January 1942: the Der Führer Regiment was reduced to 35 men out of the 2,000 that had started the campaign in June 1941.
Split into simpler sentences: This regiment was nearly destroyed in the Soviet offensive of January 1942. The Der Führer Regiment was reduced to 35 men out of the 2,000 that had started the campaign in June 1941.