10. The Three Hundred and Thirty-Five Years’ War (Netherlands vs. Isles of Scilly, 1651-1986)

This “war” between the Netherlands and the Isles of Scilly lasted an astonishing 335 years—without a single shot fired or casualty reported. Forgotten by both sides, the conflict lingered until a peace treaty was finally signed in 1986, ending the world’s most bloodless war. For the full quirky tale, visit BBC.



