There have been a number of Four Power also called Quadripartite agreements and structures:

• The Four-Power Treaty, made at the Washington Naval Conference November 1921 to February 1922.
• The Four-Power Pact was an international treaty initialed on June 7, 1933, signed on July 15, 1933.
• The Four Powers represented in the Allied Control Council as the military occupation governing body in Germany after the end of World War II.
• Four-Power Authorities, operated by the Allied Control Council
• Council of Foreign Ministers (When France joined the Council in 1946)
• The Four Power Agreement on Berlin signed on 3 September 1971