Birthdays are not so special -- you share yours with 9 million other people
The highest number of birthdays are in August, the lowest number of birthdays are in February, and more serial killers are born in November.
Your birthday is shared with at least 9 million other people in the world
In South Korea you are one year old at birth
The highest number of serial killers are born in November
Louis Armstrong spent his adult life celebrating the wrong birthday. He thought it was July 4th, 1900, but it was actually August 4th, 1901.
September is the most birthday-packed month in the United States. September 9, 19, and 12 are the most common birthdays
Birthdays are dangerous --- people are 14% more likely to die on their birthday than any other day.
A shared birthday is less a coincidence than you think --- In a room of 23 people, there is a 50% chance that two people have the same birthday.