Original: As the second WrestleMania to be held in Houston and the state of Texas, WWE mainly promoted WrestleMania XXV under the tagline "Everything Is Bigger in Texas, Especially WrestleMania" since its announcement at WrestleMania XXIV in April 2008.
Simplified: It was the second WrestleMania held in the state of Texas, with the first being WrestleMania X-Seven, at the Reliant Astrodome, also in Houston, which was held in 2001. The tagline for the event was "Everything is bigger in Texas, especially WrestleMania."