Following an earlier expedition led by Juan de Grijalva to Yucatán in 1517 , Spanish settler , Hernán Cortés , led an expedition ( `` entrada '' ) to Mexico .

Petén was first penetrated Attack by Hernán Cortés with a sizeable expedition that crossed Motion_directional the territory from north to south in 1525 .

The opening ceremony Social_event took place Hold on August 12 , 2005 , at the Estadio Hernán Ramírez Villegas in Pereira , Colombia .