Developed in 1901 by Georg Luger, the 9x19 mm Parabellum is the longest serving military cartridge in history. It is also one of the most popular handgun rounds worldwide, used by law enforcement agencies and civilian CCW permit holders alike.
Continue reading History of Hornady 9mm Ammo
here: https://ammo.com/brands/hornady-ammo/hornady-9mm-ammo#caliber-history