The rivalry between Adidas and Puma began as a family quarrel so bitter that the two brothers behind it were eventually buried at opposite ends of the same cemetery, in the same small Bavarian town their falling-out had split in half for the rest of the century.

A feud between two brothers didn't just create two rival shoe empires—it divided their entire town into warring halves for fifty years. The post The rivalry between Adidas and Puma began as a family quarrel so bitter that the two brothers behind it were event…