Trilateral relations

The Benelux Union (; ; ; ) or Benelux is a politico-economic union, alliance and formal international intergovernmental cooperation of three neighbouring states in Western Europe: Belgium, the Netherlands, and Luxembourg. The name is a syllabic abbreviation formed from the initial syllable of each country's name and was first used to name the customs agreement that initiated the union (signed in 1944). It is now used more generally to refer to the geographic, economic, and cultural grouping of the three countries.

treaty establishing the Axis Powers of World War Two

non-governmental, non-partisan discussion group founded by David Rockefeller in July 1973, to foster closer cooperation among North America, Western Europe, and Japan

international organization

1953 Greek-Turkish-Yugoslav cooperation treaty

1935 agreement

1975 treaty between Spain, Morocco, and Mauritania to end Spanish presence in the Sahara

instrument of surrender in the Bangladesh Liberation War

commonly known as IBSA, a three-country alignment

representatives from Ukraine, Russia, and the OSCE formed to facilitate a resolution to the war in the Donbass region of Ukraine

growth triangle between Indonesia, Malaysia, and Singapore

road in Myanmar

Japan–South Korea–US security partnership

organization

organization

agreement signed between India, Pakistan and Bangladesh allowed the repatriation of prisoners of war and interned officials held in the three countries after the 1971 Bangladesh Liberation War.