FINNISH ARMY 1918 - 1945: MACHINEPISTOLS PART 1
· During World War 1 Hugo Schmeisser developed submachine gun MP/18-I, which German weapons factory of Theodor Bergmann started manufacturing in year 1918. The German Army soon accepted the weapon and Bergmann factory manufactured some 35,000 (or 25,000 depending source) by the end of World War 1.