But it soon after became the name to refer to the participants of the "Conference of Heads of State or Government of Non-Aligned Countries" first held in 1961. The term "non-alignment" was established in 1953 at the United Nations. Nehru used the phrase in a 1954 speech in Colombo, Sri Lanka. In this speech, Zhou Enlai and Nehru described the Five Principles of Peaceful Coexistence to be used as a guide for Sino-Indian relations called "Panchsheel" (five restraints); these principles would later serve as the basis of the Non-Aligned Movement. The five principles were: