Abstract: This study explores the diplomatic relations between the Republic of Costa Rica, the Republic of China (Taiwan) and the People's Republic of China from the late 1990s to 2010. The events that led to the establishment of formal diplomatic relations with the People's Republic of China are analyzed. in 2006, emphasizing the role played by Dr. Oscar Arias Sánchez, Nobel Prize winner and former President of Costa Rica. Access to international aid, and above all, the impeccable democratic credentials of Dr. Arias Sánchez, made possible the radical transition of foreign policy.
