Original: The two games were released in Japan on September 13, 2007, and were released in North America on April 20, 2008. They were released in Europe on July 4, 2008.
Simplified: It was released in Japan on September 13, 2007, in North America on April 20, 2008, in Europe on July 4, 2008 and in Australia on June 19, 2008.