births
John Loudon McAdam, Scottish engineer (died 1836)

Related Wikipedia articles
John Loudon McAdam
Scottish engineer and road-builder (1756–1836)
John Loudon McAdam was a Scottish civil engineer and road-builder. He invented a new process, "macadamisation", for building roads with a smooth hard surface, using controlled materials of mixed particle size and predetermined structure, that would be more durable and less muddy…Source: Wikipedia (CC BY-SA)
September 23
Day of the year
September 23 is the 266th day of the year in the Gregorian calendar; 99 days remain until the end of the year.Source: Wikipedia (CC BY-SA)