 In 1872, the Bremen Cotton Exchange was founded.The Soviet Republic of Bremen existed from January to February 1919 in the aftermath of World War I, before it was overthrown by Gerstenberg "Freikorps".Henrich Focke, Georg Wulf and Werner Naumann founded Focke-Wulf Flugzeugbau AG in Bremen in 1923; the aircraft construction company forms part of Airbus, a manufacturer of civil and military aircraft.