Complex sentence: Hermann Alber was awarded all his decorations posthumously on the 26 December 1944: the Knight's Cross of the Iron Cross, the Iron Cross I & II class, and the Tank Destruction Badge.
Split into simpler sentences: Hermann Alber was awarded all his decorations posthumously on the 26 December 1944. The Knight's Cross of the Iron Cross, the Iron Cross I & II class, and the Tank Destruction Badge.