The Manchester Terrier's Origins and History Source: Wikipedia. Country/Region of Origin: England Original purpose: killing rats for pest control and sport Historical notes: The Manchester Terrier breed was developed in the medieval England. Manchester Terriers are thought to have been first bred by crossing Black and Tan Terriers and Whippets. One of the first breeds developed to kill rats, the Manchester Terrier dog breed was even used in a game of rat baiting in which bets were placed on how fast the dog could kill 100 rats. The breed was also popular in dogfights. The breed is said to be one of the ancestors of the Doberman breed.