Chuck E. Cheese announced it will throw 500 free birthday parties for lucky winners.

Drawings for the Chuck E. Cheese Big Day of Birthdays will occur at multiple locations across the U.S. and Canada on Sept. 7, in honor of the most popular birthday on Sept 9.

From 6–7:30 p.m, participating locations will hold a live giveaway where one lucky winner will win the "Ultimate Fun Party Package" for up to 10 kids. The package offers infinite games for the duration of the party, a meal experience and a live birthday show with mascot Chuck E.

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Additionally, five more lucky contestants from every location will win a $50 coupon voucher to go toward their next birthday party reservation.

"There is no better way to celebrate that one time of the year when the most kids have birthdays than by hosting a party for all of our dedicated fans and giving back the joy our birthday parties have been bringing to kids for over 45 years," the company's Chief Marketing Officer Sean Gleason said in a press release.

The chain said all the prizes total over $300,000.

What comes with the Ultimate Fun Birthday Party Package?

• Complete party setup and two-hour table reservation
• All you can play games during the birthday party
• Two slices of pizza per child, unlimited soft drinks, and Dippin’ Dots
• Pizza and drinks for any adults attending
• A live birthday show with Chuck E.
• A ticket blaster experience for the birthday star
• 100 bonus E-tickets
• Goody bags

Chuck E. Cheese birthday coupon code

Chuck E. Cheese' is also bringing back their "Birthday Star Free" promotion from now through Dec. 3. With code "BDAYFREE" a birthday child can celebrate for free with 12 or more paid party guests.

What are the most popular birthdays?

The most common birthday is Sept. 9 followed by Sept. 19 and 12.

September birthdays between Sept. 9 and 20 dominate the top 10 list. Count backward and you’re just in time for the holidays, since pregnancy is an average of 40 weeks from last menstruation. 

Is September the most common birthday month?

Despite leading the most common birthdays, September is actually the third most common birth month. August leads as the month with most birthdays followed by July, according to birth data.

Just under 7,600,000 births occurred in August between 1994 and 2014, data shows. Within this time frame, there were 7,500,795 births in July and 7,411,299 in September, which only has 30 days compared to July and August's 31.  February is the least common birth month with only 28 days with the exception of 29 every four years.

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Birth months of the year, in order of most common to least common:

1. August
2. July
3. September
4. October
5. May
6. December
7. March
8. June
9. January
10. November
11. April
12. February

A previous version of this article incorrectly stated the day of the giveaway.