World War I (WWI or WW1), also known as the First World War or the Great War, was a global war centered in Europe that began on 28 July 1914 and lasted until 11 November 1918.
Heckler & Koch GmbH (tudi Heckler und Koch; kratica HK) je nemški oborožitveni koncern, ki se ukvarja z zasnovo in proizvodnjo pehotne oborožitve.