Henry Flad was born in the Grand Duchy of Baden, Germany, on this date in 1824. Flad was a prominent civil engineer whose work significantly impacted infrastructure development in St. Louis and the rest of the US.
Potosi
The first settlement to be founded away from a river, the mining town of Potosi was begun on this day.
Washington County—whose largest city is Potosi—was established. The county has more than 10 times the population it did then, with a population topping more than 25,000.
