Named as part of a Latin saying, Si vis Pacem, Para bellum, which means "If you want peace,
prepare for War," the German Luger Parabellum was adopted by the German Army in 1906 and saw
quite bit of service during World War II. The German Navy had adopted the Luger Parabellum some time
earlier.
Parabellum P08 (Luger) on Wikipedia