Heroes of Sanctuary, heed our call!

May 15th marks the one-year anniversary of Diablo III. Help us celebrate the Lord of Terror's rebirth (and contribute to an awesome community project in the process) by submitting your very own birthday greeting!

To participate, simply print out one of the birthday images below (or create your own), take a photo of you and/or your friends, and then tweet the picture to @Diablo using the hashtag #D3BDAY or email it to BlizzardContest@Blizzard.com. In addition to re-tweeting our favorites and uploading them to our Diablo Facebook page throughout the week, we'll also be compiling the most impressive greetings to show off here on the official community site after the festivities have concluded.

To kick off this shindig, here are a few festive photos from the Diablo III development and community teams:

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Some of our cosplayers have joined in on the action, too!

What are you waiting for, Nephalem? Grab a sign, take a picture, submit your photo, and join in on the diabolical birthday bash! Also, be sure to stay tuned to diablo3.com all this week, as the party is just beginning.