Katie Brumbach—better known as Sandwina—was the unstoppable strongwoman who outlifted Eugen Sandow, took a new name, and turned sheer grit into circus legend. From John Ringling’s biggest stages to jaw-dropping feats like a 1,000-pound cannon balance and an iron slab smashed across her body, her true strength wasn’t just muscle—it was the fearless will to prove what’s possible.