The Boston Terrier is a breed of dog originating in the United States of America. This 'American Gentleman' was accepted in 1893 by the American Kennel Club as a non-sporting breed. Color and markings are important when distinguishing this breed from the AKC standard. The average life span of a Boston is around 11 to 13 years, though some can live up to around 18 years. They are friendly and can be stubborn at times. The average life span of a Boston is around 11 to 13 years, though some can live up to around 18 years. They have a short nose, which can often cause breathing problems later in life, which is what leads to a low life expectancy. The breed was first shown in Boston in 1870. By 1889 the breed had become sufficiently popular in Boston that fanciers formed the American Bull Terrier Club, the breed's nickname, 'roundheads'. The Boston Terrier was the first non-sporting dog breed in the US.