Costa Rica–Mexico relations peaceful resolution. This was known as the "Pacto de la embajada de México". The war ended in April 1948 and Costa Rica entered into its 'Second Republic.' During the central-American wars taking place in neighboring El Salvador, Guatemala and Nicaragua; both Costa Rica and Mexico led mediation dialogues between warring factions in each nation in order to bring peace and stability to the region. Mexico (along with Colombia, Panama and Venezuela) created the Contadora Group which helped create the framework for the Esquipulas Peace Agreement, led by Costa Rica's President Oscar Arias. Presidential visits from Costa Rica to Mexico Presidential
National University of Costa Rica Dengo Campus, is located in the city of Heredia, Costa Rica and contains the buildings for the administration and the majority of the colleges. The others are mostly located on the Benjamín Núnez Campus, named for the founder of the National University and its first president (1973–1977). The main campus was named to honor a famous Costa Rican educator, Omar Dengo Guerrero who spent his education career at the Normal School of Costa Rica, which eventually became the National University. In recent years there have been efforts to upgrade the infrastructure on campus through the UNA-BCIE agreement, which aimed to