Happy birthday royal baby August! See cute photos from pregnant Princess Eugenie's son's second year - cuddling mum's bump to fun at the Platinum Jubilee. The late Queen's great-grandson is now two!

And while August may be the most common birth month, almost all the most common birthdays happen to be in September. Sept. 9: 12,301 average yearly births Sept. 19: 12,229 average yearly births ...