Pugs have a very rich and amazing history that can be traced way back to 700 BC at the time of Confucius when they were known as lo-sze. The breed is considered one of the oldest canine breeds today. There are many theories as to the Pug’s origin—one theory states that the breed is a descendant of the short-haired Pekingese; another theory postulates that the Pug is a cross of a small Bulldog; and, a third theory speculates it is a miniature form of the French Mastiff (Dogue de Bordeaux).