September 10 brings together moments of public responsibility, national resolve, and personal influence. In 1897, London taxi driver George Smith became the first person convicted of drunk driving, an early marker in the long effort to define the dangers and consequences of driving while impaired. In 1939, Canada declared war on Germany, joining the Allied powers and making the conflict a national commitment. Six years later, Norwegian collaborator Vidkun Quisling was sentenced to death for treason, a stark reminder that wartime choices could carry consequences long after the fighting.
The date also marks the birth of Arnold Palmer in 1929. Known as “The King,” he won 62 PGA Tour titles and helped bring golf to a wider audience during television’s early rise, showing how one athlete’s appeal can reshape a sport’s reach. Together, these entries span nearly half a century, from a new concern about road safety to the upheaval of world war and the growth of modern sports celebrity. Their September setting suggests a season of transition: summer gives way to autumn, while the list itself moves between emerging social rules, consequential national decisions, and enduring public figures.