The melody for the Happy Birthday song was first penned by two sisters, Mildred and Patty Hill. Yes, it took 2 people to write that song.
It is thought that birthday celebrations originated in the Roman Empire. And they were largely due to the prominent religion at the time, Mithraism, which was later supplanted by Christianity.
Although you might celebrate your birthday every year, your actual birthday (being the same day of the week you were born) only occurs once every 7 years.
Children who are on the leap day of February 29th often celebrate their birthdays on March 1st.
Germans take birthdays very seriously, sometimes receiving a half-day of vacation. The most common gifts among friends include flowers and wine.
In England, when you reach 80, 90 or 100 years of age, you receive a telegram from the Queen.
In India, black and white gift wrapping is considered unlucky.
The French and Italian celebrate Name Days more so than birthdays.
In the Islamic world, green is a good color to use for wrapping.
A Golden Birthday happens only once in a person's lifetime. It happens when the person's age and the date of the day they were born is the same.
More people celebrate their birthdays in August than in any other month. The two other months in which birthday rates are high is July and September.
Close to two billion Birthday Cards are sent each year in the U.S. alone, accounting for nearly 58 percent of all cards sent.
The world's largest birthday cake was created in 1989 it weighed 128,238 pounds, 8 oz. and used 16,209 pounds of icing.
The most common birth date is October 5 and the least common is May 22 in U.S.A.
The day of the week in which the most babies are born is Tuesday while Sunday is the lowest day.
Anne Frank's world famous diary was given to her when she was thirteen years old.
The children’s day in India is celebrated on 14th November- the birthday of Jawahar Lal Nehru in memory of his love for children.
The Sultan of Brunei hosted the world's most expensive birthday party to celebrate his 50th Birthday on 13 July, 1996. The cost was a whopping US $27.2 million. Three concerts featuring Michael Jackson costs US $16 million of the total amounts.
Paul McCartney's (who is also celebrating his birthday today) birth certificate was auctioned in March 1997, for US $84,146. It is believed to be the world's most expensive birth certificate.
William Shakespeare died on his 52nd birthday: 23 April 1616.