The German military parade of the Panzertruppen (Tank Troops) unit which were held at Karl Johans Gate, Oslo, the capital of Norway, on October 1, 1940. These Panzerkampfwagen I Ausf.B type tanks were from the Panzer-Abteilung z.b.V. 40 led by Oberstleutnant Ernst Volckheim (1898-1962), seen here giving a military salute accompanied by one of his officer. Volckheim is dressed in a black Panzer uniform. The Universitetsplassen square is surrounded by buildings of the University of Oslo.. Ernst Volckheim himself went down in history as one of the founders of the German panzer force, apart from the more famous Heinz Guderian. From 1924 he had written on the theory of tank warfare, drawing on his experiences in the First World War as a member of the Imperial German Tank Corps. Ironically, the one who then received wider publication was Guderian, who had just written his masterpiece, "Achtung Panzer!", only in 1937! This is because it was the latter who introduced the armored unit to German leader Adolf Hitler, who was then so impressed by Guderian's presentation that he immediately said enthusiastically, "This is what I need! This is what I want to have!"The Norwegian "Aftenposten" newaspaper described the parade on page 2 in its evening issue on Tuesday 1 October 1940, as follows: "German armored vehicles parade on Karl Johan. Just before half past ten this morning, a large German military music corps marched down Karl Johan and lined up just opposite the University on the occasion of German armored vehicles parade for its commander, Colonel Volksheim. It was not long after the band had lined up, before people gathered along the curb to watch the parade. And on the University Stairs, a number of students had gathered, who had a short break between lectures. Before the parade itself, the units that were to participate were gathered on Tullinløkken and marched from there to their tanks, which were meanwhile parked in the side streets. Shortly after, the long wagon column came up in Karl Johan and passed over Drammensveien. When Colonel Volksheim had taken his place, the first tank passed the colonel a moment later, while the music played a military march. Armored car after armored car rolled past on its belts. Different types of passers-by, followed by open cars, which brought everything an armored battalion needs to be effective. When the last carriage in the column had passed, Colonel Volksheim drove away, the music was silent and the parade was over. A few minutes later, the traffic went back to normal on Karl Johan."
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