Numerous states have ceased their diplomatic recognition of the Republic of China during the last 70 years, since the founding of the People's Republic of China. Under the One China policy, the ROC is recognized by and Holy See with 59 UN member states and Somaliland maintaining unofficial cultural and economic relations.
The timeline of diplomatic relations of the Republic of China encompasses the years from 1912 to 1949 (the establishment of the People's Republic of China), and the year of the Taipei Economic and Cultural Representative Office (TECRO) establishments as a substitute for embassies in the absence of official diplomatic relations with the ROC.