Buddhism was founded more than 3,000 years ago by Gautama Siddharta, Prince of Kapilovi Kingdom (now Nepal) (refer to Buddha's Birthday). Buddhism was introduced into China in the late Western Han Dynasty. Buddhism has eight ancestral families: Tiantai Sect, Sanlun Sect, Faxiang Sect, Huayan Sect, Zen Sect, Legalist Sect, Tantric Sect and Pure Land Sect.

Christianity originated in 1 century. It is said that Jesus and his twelve apostles began to engage in religious activities in Palestine and Asia Minor. Around the 2nd century, the Catholic Church was established. In the 4th century, the Roman emperors Constantine I and Ricini issued Milan pardons, and their beliefs were legal.