Anschluss ('joining') refers to the annexation of Austria into Nazi Germany on 12 March 1938.
Austria-Hungary, often referred to as the Austro-Hungarian Empire or the Dual Monarchy in English-language sources, was a constitutional union of the Austrian Empire (the Kingdoms and Lands Represented in the Imperial Council, or Cisleithania) and the Kingdom of Hungary (Lands of the Crown of Saint Stephen or Transleithania) that existed from 1867 to 1918, when it collapsed as a result of defeat in World War I. The union was a result of the Austro-Hungarian Compromise of 1867 and came into existence on 30 March 1867.
Böhler, is an Austrian trader for special steel.
A field gun is a field artillery piece.
The German Army (Heer) was the land forces component of the Wehrmacht, the regular German Armed Forces, from 1935 until it was demobilized and later dissolved in August 1946.
A hydraulic recoil mechanism is a way of limiting the effects of recoil and adding to the accuracy and firepower of an artillery piece.
The Museum of Military History – Military History Institute (Heeresgeschichtliches Museum – Militärhistorisches Institut) in Vienna is the leading museum of the Austrian Armed Forces.
World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
The 8 cm Feldkanone M. 17 was a dual-purpose field and mountain gun used by Austria-Hungary during World War I. Between the wars it was used by Austria, Czechoslovakia, Romania and Yugoslavia.