Invasion of Yugoslavia
Paul Ludwig Ewald von Kleist (8 August 1881 – 13 November 1954) was a German field marshal during World War II. Kleist was the commander of Panzer Group Kleist (later 1st Panzer Army), the first operational formation of several Panzer corps in the Wehrmacht during the Battle of France, the Battle of Belgium, the Invasion of Yugoslavia and Operation Barbarossa, the invasion of the Soviet Union.