Statistics Saturday: November Birthdays Per Year

Bar chart with horizontal axis of 1 through 30, with each bar a uniform height of 1.
Huh. Hey, would you believe as far as I can tell no countries changed from the Julian to the Gregorian calendar in their November? Go figure, huh?

Reference: Signor Marconi’s Magic Box: The Invention that Sparked the Radio Revolution, Gavin Weightman.