Мамаев курган
On 26 January 1943, the German forces inside Stalingrad were split into two pockets north and south of Mamayev Kurgan. The northern pocket consisted of the XI Corps, and the VIII Corps, under Heitz. On 28 January, the two pockets were split into three. The northern pocket consisted of the XI Corps, the central with the VIII and LI Corps, and the southern with the XIV Panzer Corps and IV Corps "without units". The sick and wounded reached 40,000 to 50,000. On 29 January, Heitz had stated that he would seek the death of a soldier while defending his command post. He later attempted suicide but was stopped by his chief of staff. On 31 January 1943, Heitz surrendered the central pocket of German forces.