Simplify the following text for a Grade 8 native English-speaking person.
Original: Although beagle-type dogs have existed for over 2,000 years , the modern breed was developed in Great Britain around the 1830s from several breeds , including the Talbot Hound , the North Country Beagle , the Southern Hound , and possibly the Harrier .
Simplified: Although beagle-type dogs have existed for over 2,000 years , the modern kind came from Great Britain around the 1830s .