The World Peace Prayer Society (WPPS) is a pacifist organization.

[1] In 2019, the organization's official name was changed to MAY PEACE PREVAIL ON EARTH INTERNATIONAL.

[3] WPPS was founded in New York by Masami Saionji（西園寺昌美）, the adopted daughter of Masahisa Goi and successor to his religious organization, the Byakko Shinko Kai（白光真宏会）.

In 1990, the Society was accepted as a Non-Governmental Organization (NGO) in affiliation with the United Nations Department of Public Information.

The Sanctuary serves as home to annual events, including the World Peace Festival, Earth Day Peace Fair, Thanksgiving for the Earth, Honoring Dr. Martin Luther King Jr. and Planet Peace Day for school children.