In the very first European Cup, a club from the French-administered Saar Protectorate stunned AC Milan at San Siro—just days after a referendum on the Saar’s future. We set the scene, meet the cast (Schiaffino, Liedholm & co.), relive the swing from a 1–3 defeat to the stunning 4–3, win then tracethe return leg and why this upset helped define Europe’s new tournament. Tips/corrections: otd@17lawsguy.com. Please rate ⭐⭐⭐⭐⭐ & share.