China–India relations major economies in the world. Growth in diplomatic and economic influence has increased the significance of their bilateral relationship. Cultural and economic relations between China and India date back to ancient times. The Silk Road not only served as a major trade route between India and China, but is also credited for facilitating the spread of Buddhism from India to East Asia. During the 19th century, China's growing opium trade with the East India Company triggered the First and Second Opium Wars. During World War II, India and China both played a crucial role in halting the progress of Imperial
Apostolic Nunciature to China early August as plenipotentiary with regard to diplomatic affairs. In July 1918, the Holy See and the Beiyang Government of the Republic of China agreed to send Giuseppe Petrelli and Dai Chenlin as their respective diplomats. However, this did not succeed due to objections from France. Relations between the Republic of China and the Holy See strengthened in 1922 when Celso Benigno Luigi Costantini was appointed as an Apostolic Delegate to China, although he had no diplomatic status. Official diplomatic ties were established in 1946 when Antonio Riberi assumed office as Apostolic Internuncio to China. In 1951 Riberi left mainland