Question: The 1st Battle of Kharkov was named so by a German field army born in which year ?
Related documents: [0]  [DOC] The 1st Battle of Kharkov, so named by Wilhelm Keitel, was the 1941 tactical battle for the city of Kharkov (now "Kharkiv") (Ukrainian SSR) during the final phase of Operation "Barbarossa" between the German 6th Army of Army Group South and the Soviet Southwestern Front. The Soviet 38th Army was ordered to defend the city while its factories were dismantled for relocation farther east. [END] 
[1]  [DOC] Wilhelm Keitel (22 September 1882 – 16 October 1946) was a German field marshal who served as Chief of the Armed Forces High Command ("Oberkommando der Wehrmacht" or OKW) in Nazi Germany during World War II. According to David Stahel, Keitel was "well known and [...] reviled as Hitler's dependable mouthpiece and habitual yes-man" among his military colleagues. [END] 
Answer: 
1882
1882