While modern breeders have attempted to re-create miniature beagles, these dogs are not considered a separate breed and are often not purebred beagles. The breed's popularity persisted in England until the 19th century, after which it gradually faded away.
Interestingly, the pocket beagle is not officially recognized as a separate breed, and the real pocket beagle is considered extinct.
Hilarious moment sassy puppy argues during crate training: 'Barking back'.