Longest horn on a sheep
- Who
- Marco Polo Sheep
- What
- 191 centimetre(s)
- Where
- Afghanistan
- When
- 01 January 0001
The longest horn found on a species of sheep measured 191 cm (75 in) and belonged to a Marco Polo sheep (Ovis ammon polii), which are indignenous to only the Pamir Mountain bordering Tajikistan, Afghanistan, Pakistan and China.