Rottweilers saw service in various roles, including as messenger, ambulance, draught, and guard dogs.

The Deutscher Rottweiler-Klub (DRK, German Rottweiler Club), the first Rottweiler club in Germany, was founded on 13 January 1914, and followed by the creation of the Süddeutscher Rottweiler-Klub (SDRK, South German Rottweiler Club) on 27 April 1915 and eventually became the IRK (International Rottweiler Club). The DRK counted around 500 Rottweilers, and the SDRK 3,000 Rottweilers. The goals of the two clubs were different. The DRK aimed