What is the most common birthday in the world?
Correct answer: September 9th

Uncle Roger
My first one is born on september 9, and my second on september 10

Yana
Uh oh ! And I saw Mommy Kissing Santa Claus ! It was underneath the mistletoe !!!!

Jonesy
This explanation would only be for the Northern hemisphere, regarding snuggling in during December. It is summer in the southern hemisphere. I was born in July, my father's birthday is in October. 9 months apart, just saying.....

Lesleann
Uncle Roger, My 2nd Son was born on 9/9/1980 On the 9 /9/1999 he was 19