On 5 September 1698, Peter the Great signed one of history’s strangest policy decisions into law: a tax on beards. Fresh from an 18-month incognito tour of Western Europe, the Russian tsar returned determined to drag his nobility into the modern age, one expensive facial hair licence at a time. Meanwhile, on the same date in 2001, a concert began in Germany that won’t finish until 2640. John Cage’s As Slow As Possible plays notes that last for months, with chord changes announced years in advance. In 1661, royal finance minister Nicolas Fouquet was arrested by the real D’Artagnan after throwing a party so lavish it enraged Louis XIV. And in 1970, Formula One driver Jochen Rindt became the sport’s only posthumous world champion after a fatal crash at Monza left him with an unbeatable points lead. Four stories from one date: human ambition, cultural reform, artistic patience, and quiet tragedy.