Two heavily armed empires draw lines in the mud, militaries on the brink of total war, and at the dead center of it all stands a single wandering pig. It sounds like a comedy sketch, but history is littered with conflicts that all share the same absurd name.

This deep dive traces the strange recurring phenomenon of the Pig War across four centuries, built from a Wikipedia disambiguation page that reads like a bizarre family tree of unrelated events. From a medieval German feud to a U.S.-British standoff to imperial trade blockades, we explore why livestock keeps becoming the spark, and reveal the chilling pattern hiding beneath every funny-sounding title.

• The 1555 to 1558 Saukrieg pitted the Bishop of Meissen against his predecessor's family in a feud resembling a hostile corporate takeover.
• The largely bloodless 1859 bor ...