2011 Pan American Games opening ceremony

However, the organizing committee for the Games (COPAG) changed the venue to Omnilife Stadium, because of its superior infrastructure and technological capability to host the event.

[2] Vicente Fernández performed the first act, singing the Mexican anthem at the games.

The participating countries marched in, beginning with Argentina and ending with the host nation, Mexico.

Excluding Argentina and Mexico, the delegations entered by Spanish alphabetical order as per Pan American Sports Organization protocols, which also happened to be the official languages of the host nation.

[4] An estimated 130 million people across the Americas and the world were expected to watch the opening ceremony.