The German Shepherd Dog (GSD), (German: Deutscher Schäferhund) is a breed of large-sized dog that originates from Germany. German Shepherds are a fairly new breed of dog, with their origins only dating back to 1899. Part of the herding group, shepherds are working dogs developed originally for herding sheep. Their strength, intelligence and obedience often sees them employed in police and military roles in forces around the world. They are popular as pets and guard dogs because of their loyal and protective nature.