Sampson is the name of the biggest horse on record. This Shire horse was born in 1846 in the county of Bedfordshire, England.

Sampson, also known as Mammoth, was a Shire horse from the mid-1800s, measuring 21.25 hands (7 feet, 2.5 inches) tall and weighing 3,360 pounds, making him the largest horse ever recorded.