What Are the 5 Rarest Birthdays in the U.S. and Why?
Discover the 5 rarest birthdays in the U.S. including holidays and leap year dates, and why these dates are less common for birthdays.
What Is the Rarest Birthday in February? Discover Why February 29 Is Unique
Learn why February 29 is the rarest birthday in February, occurring only once every four years and creating a unique birthday celebration.