6. The Pig War (United States vs. Britain, 1859)

One pig’s unfortunate fate nearly led to war between two global powers. When an American farmer shot a British-owned pig on San Juan Island, tensions quickly escalated. Both nations rushed troops to the island, creating a tense military standoff. Remarkably, the only casualty was the pig itself, and cooler heads prevailed as the dispute was settled peacefully. Read the full story at History.com.



