When and how was the first French bulldog made?

The French Bulldog is the result of a cross between a Toy Bulldog from England and a local Ratter from Paris, France in the 1800s.

in 2018, they were the most popular registered dog in the United Kingdom,[4] and in the U.S., the fourth-most popular AKC-registered dog breed.

Image: https://store.askfrankie.co/product/denim-french-bulldog-overalls/