1368 Charles VI of France was born. Known as "Mad" and as
"Well-Beloved," Charles had a long reign during which he remained
primarily a figurehead because of his occasional fits of madness.
the Magnificent and his brother Giuliano succeeded their father, Piero de
Medici, as rulers of Florence, Italy.
1586 Sir Thomas Herriot introduced potatoes to England,
1621 Galileo invented the telescope.