King Juan Carlos was in Argentina this month attending inauguration ceremonies for the country’s new President Mauricio Macri.
The trip was key for Spain. Relations had soured with past Argentine President Cristina Fernández de Kirchner.
Kirchner led the nationalization of Spanish energy giant Repsol SA’s Argentine operations.
Kirchner did not attend Macri’s inauguration ceremonies, but King Juan Carlos’ visit signals a new page in relations between their countries.
King Juan Carlos’ son, King Felipe, used to attend inauguration ceremonies in Latin America when he was Prince of Asturias.