10th Army no relation World War II
Walter Karl Ernst August von Reichenau (8 October 1884 – 17 January 1942) was a field marshal in the Wehrmacht of Nazi Germany during World War II. Reichenau commanded the 6th Army, during the invasions of Belgium and France. During Operation Barbarossa, the invasion of the Soviet Union, he continued to command the 6th Army as part of Army Group South as it captured Ukraine and advanced deep into Russia.
While in command of the 6th Army during Operation Barbarossa in 1941, he issued the notorious Severity Order which encouraged German soldiers to murder Jewish  civilians on the Eastern Front. Reichenau's troops cooperated with the SS Einsatzgruppen in the commission of the massacre of over 33,000 Jews at Babi Yar, and assisted with other crimes against humanity that occurred in areas under his command during the Holocaust.World War II
In September 1939, Reichenau commanded the 10th Army during the German invasion of Poland and was the first German to cross the Vistula river, which he swam across. After the campaign he was awarded the Knight's Cross of the Iron Cross for his role as commander of the 10th Army.In 1940 he led the 6th Army during the invasion of Belgium and France and later that year Hitler promoted him to Generalfeldmarschall (field marshal) during the 1940 Field Marshal Ceremony.
During the German invasion of the Soviet Union, as commander of the 6th Army, he led his army into the heart of Russia during the summer of 1941. The 6th Army was a part of Army Group South, and captured Kiev, Belgorod, Kharkov and Kursk. During its offensive into the Soviet Union, the German army was confronted with a number of superior tank designs. Reichenau inspected the Soviet tanks he came across, entering each tank and measuring its armour plate. According to general staff officer Paul Jordan, after examining a T-34, Reichenau told his officers "If the Russians ever produce it on an assembly line we will have lost the war."In November 1941 Hitler relieved Field Marshal von Rundstedt from his command of Army Group South and promoted Reichenau to take his place. At his personal recommendation to Hitler, Friedrich Paulus, a protege of Reichenau's and former member of his command staff, was promoted to take over his command of the 6th Army.
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