The DC Universe Online Beta was a testing phase of DC Universe Online which entailed opening the game momentarily to the public to on October 8th, 2010 to January 5th, 2011, in order to "field test" player interaction within the game. Near the end of the testing phase, the Battle of Legends event was held to thank the public for their input. Following the event, all servers were shut from the public in final preperation for the game's official public release on January 11, 2011.