French game retailer Micromania leaked the EU/NA release date for FFXIII. It's 15 April 2010! (Rumor)
Micromania held an event in France today called Micromania Game Show. Tonight there will be a special FFXIII "event" (The press could register for it yesterday) and probably the release date will be confirmed there. The game is being published by Eidos.
Keep in mind that it's currently a rumor. A recent casting call also leaked that a release date would be announced soon.
The release date was denied by Eidos France at Micromania Game Show. Source: FF Ring (http://bit.ly/34gsef)