Yes, there really was a sneaker war. I’ve always found this story interesting — the feud between German brothers, Adi and Rudolf Dassler who dissolved their shoe-making business many years ago to set up rival sneaker businesses Adidas and Puma (I’m partial to the later). Both successful businesses and popular brands are now coming together, many years after the founders went to their graves mid-feud. Though the reason for their rivalry is still unknown, the book about their story, Sneaker Wars might be a good read. Here’s more on the story in the New York Times.