Sorry, I don't know all of their birthdays, but I know Alice's and Edward's.
Alice:
March 18, 1891
Edward:
June 20, 1901.
(info. read the books or skim to find out Alice's. I think it's in Eclipse.)
The cast of 9 Birthdays - 2013 includes: Katelyn Evans
a bouffant (bu'font)
4 1992
One can get a list of celebrity birthdays for the month of June when one goes on the website of Famous Birthdays. Famous people born in June include Blake Shelton, Nathan Morris, Willa Holland, etc.
Maisarah Binte Ismail
since the cullens are vampires they dont have a birthday
http://twilightsaga.wikia.com/wiki/Twilight_Saga_Wiki
In the book they do not celebrate Christmas which is the only mentioned holiday, (besides birthdays).
The last year the Cullens celebrated Emmett's birthday was in 2006, as mentioned in the book "Twilight." Since then, they stopped keeping track of their ages and no longer celebrated birthdays.
9 cullens
Irina did betray the Cullens by telling the Voluri that the Cullens had a vampire child.
No the cullens can't sleep.
In Twilight, the Cullens are Edward's (Robert Pattinson ) family.
There are 5 cullens and 2 Hales
rosalie and jasper ARE cullens, its just the humans think they are brother and sister. but they ARE CULLENS
There is no specific collective noun for birthdays, however a noun suitable for the situation can be used; for example a cluster of birthdays, a series of birthdays, or a respectable century of birthdays.
Chapter 15 its named " The Cullens "