It was a city divided. Built in 1961, this famous concrete barrier measured nearly twenty-seven miles and stood for 28 years, splitting the capital of Germany in two. Constructed by East German Communist forces, the Berlin Wall became the iconic structure symbolizing the decades-long Cold War, until it was toppled by unexpected upheavals in 1989. What ultimately led to the demise of the Berlin Wall? It might surprise you to learn that it started with a bureaucratic blunder at a press conference. Dr. Vejas Gabriel Liulevicius, who specializes in modern German history, tells us the unlikely story.