They are the result of a cross between Toy Bulldogs imported from England and local ratters in Paris, France, in the 1800s. The modern French Bulldog breed descends directly from the dogs of the Molossians, an ancient Greek tribe. The dogs were spread throughout the ancient world by Phoenician traders. French bulldogs are also known as a flat faced breed. Eyes that are AKC Standard approved for French Bulldogs are dark and almost to the point of being black. Blue eyed French bulldogs are not AKC approved. The most common colors are brindle, then fawn, with pieds being less common than the other colors. Blue eyed French bulldogs are not AKC approved. The most common colors are brindle, then fawn, with pieds being less common than the other colors. The breed clubs do not recognize any other colors or patterns.